Home / 2,808-3,860

Finding the Third Proportional to 2,808 and 3,860

Calculator

Solution

The third proportional to 2,808 and 3,860 is: 5,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808 : 3,860 = 3,860 : x
  2. Step 2: Convert to fraction form
    2,808/3,860 = 3,860/x
  3. Step 3: Cross multiply
    2,808x = 3,860 × 3,860
  4. Step 4: Simplify right side
    2,808x = 14,899,600
  5. Step 5: Solve for x
    x = 14,899,600/2,808
  6. Step 6: Final answer
    x = 5,306.13

Related Problems

Find third proportional to 1,404 and 1,930
Half scale
Find third proportional to 5,616 and 7,720
Double scale
Find third proportional to 2,810 and 3,863
Similar ratio
Find third proportional to 4,212 and 5,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.