Home / 3,901.28-5,384.61-2,575.17

Finding the Fourth Proportional to 3,901.28, 5,384.61 and 2,575.17

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Solution

The fourth proportional to 3,901.28, 5,384.61 and 2,575.17 is: 3,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.28 : 5,384.61 = 2,575.17 : x
  2. Step 2: Convert to fraction form
    3,901.28/5,384.61 = 2,575.17/x
  3. Step 3: Cross multiply
    3,901.28x = 5,384.61 × 2,575.17
  4. Step 4: Simplify right side
    3,901.28x = 13,866,286.13
  5. Step 5: Solve for x
    x = 13,866,286.13/3,901.28
  6. Step 6: Final answer
    x = 3,554.30

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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.