Home / 3,727.92-5,593.76-2,639.28

Finding the Fourth Proportional to 3,727.92, 5,593.76 and 2,639.28

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Solution

The fourth proportional to 3,727.92, 5,593.76 and 2,639.28 is: 3,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.92 : 5,593.76 = 2,639.28 : x
  2. Step 2: Convert to fraction form
    3,727.92/5,593.76 = 2,639.28/x
  3. Step 3: Cross multiply
    3,727.92x = 5,593.76 × 2,639.28
  4. Step 4: Simplify right side
    3,727.92x = 14,763,498.89
  5. Step 5: Solve for x
    x = 14,763,498.89/3,727.92
  6. Step 6: Final answer
    x = 3,960.25

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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.