explain proportion Share with your friends Share 0 Ankush Jain answered this 2 View Full Answer Parul Sihag answered this Proportion is the comparision of two ratios. It is denoted by the sign :: and we call it as. 2:4 is in proportion with 4:8 so, we will write it as 2:4::4:8. 1 Rashi Agarwal answered this thanks 0