Like equivalent fractions (link) equivalent ratios are made by multiplying & dividing the ratio by the same number

 

Equivalent ratio of 2 : 1

2 : 1 = 2/1

 

So, equivalent ratios are

2/1 × 2/2  = 4/2 = 4 : 2

2/1 × 3/3  = 6/3 = 6 : 3

2/1 × 4/4  = 8/4 = 8 : 4

 

Equivalent ratios

Like equivalent fractions, equivalent ratios are made by multiplying & dividing the ratio by the same number

 

Let’s take an example

Equivalent ratio of 2 : 1

 

2 : 1 = 2/1 

 

So, equivalent ratios are

2/1 × 2/2 = 4/2  = 4 : 2

2/1 × 3/3 = 6/3 = 6 : 3

2/1 × 4/4  = 8/4  = 8 : 4

 

So,

  2 : 1 = 4 : 2 = 6 : 3 = 8 : 4

 

  1. Chapter 12 Class 6 Ratio And Proportion
  2. Concept wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.