Home / 3,727.92-5,592.41-1,387.73

Finding the Fourth Proportional to 3,727.92, 5,592.41 and 1,387.73

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Solution

The fourth proportional to 3,727.92, 5,592.41 and 1,387.73 is: 2,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.92 : 5,592.41 = 1,387.73 : x
  2. Step 2: Convert to fraction form
    3,727.92/5,592.41 = 1,387.73/x
  3. Step 3: Cross multiply
    3,727.92x = 5,592.41 × 1,387.73
  4. Step 4: Simplify right side
    3,727.92x = 7,760,755.13
  5. Step 5: Solve for x
    x = 7,760,755.13/3,727.92
  6. Step 6: Final answer
    x = 2,081.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.