Home / 3,249.12-4,478.51-2,539.71

Finding the Fourth Proportional to 3,249.12, 4,478.51 and 2,539.71

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Solution

The fourth proportional to 3,249.12, 4,478.51 and 2,539.71 is: 3,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.12 : 4,478.51 = 2,539.71 : x
  2. Step 2: Convert to fraction form
    3,249.12/4,478.51 = 2,539.71/x
  3. Step 3: Cross multiply
    3,249.12x = 4,478.51 × 2,539.71
  4. Step 4: Simplify right side
    3,249.12x = 11,374,100.59
  5. Step 5: Solve for x
    x = 11,374,100.59/3,249.12
  6. Step 6: Final answer
    x = 3,500.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.