Home / 2,499-3,978

Finding the Third Proportional to 2,499 and 3,978

Calculator

Solution

The third proportional to 2,499 and 3,978 is: 6,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499 : 3,978 = 3,978 : x
  2. Step 2: Convert to fraction form
    2,499/3,978 = 3,978/x
  3. Step 3: Cross multiply
    2,499x = 3,978 × 3,978
  4. Step 4: Simplify right side
    2,499x = 15,824,484
  5. Step 5: Solve for x
    x = 15,824,484/2,499
  6. Step 6: Final answer
    x = 6,332.33

Related Problems

Find third proportional to 1,249.50 and 1,989
Half scale
Find third proportional to 4,998 and 7,956
Double scale
Find third proportional to 2,501 and 3,981
Similar ratio
Find third proportional to 3,748.50 and 5,967
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.