Home / 3,713.76-5,125.04-2,387.90

Finding the Fourth Proportional to 3,713.76, 5,125.04 and 2,387.90

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Solution

The fourth proportional to 3,713.76, 5,125.04 and 2,387.90 is: 3,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.76 : 5,125.04 = 2,387.90 : x
  2. Step 2: Convert to fraction form
    3,713.76/5,125.04 = 2,387.90/x
  3. Step 3: Cross multiply
    3,713.76x = 5,125.04 × 2,387.90
  4. Step 4: Simplify right side
    3,713.76x = 12,238,045.45
  5. Step 5: Solve for x
    x = 12,238,045.45/3,713.76
  6. Step 6: Final answer
    x = 3,295.32

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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.