Home / 3,657.25-5,487.85-2,425.24

Finding the Fourth Proportional to 3,657.25, 5,487.85 and 2,425.24

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Solution

The fourth proportional to 3,657.25, 5,487.85 and 2,425.24 is: 3,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.25 : 5,487.85 = 2,425.24 : x
  2. Step 2: Convert to fraction form
    3,657.25/5,487.85 = 2,425.24/x
  3. Step 3: Cross multiply
    3,657.25x = 5,487.85 × 2,425.24
  4. Step 4: Simplify right side
    3,657.25x = 13,309,363.23
  5. Step 5: Solve for x
    x = 13,309,363.23/3,657.25
  6. Step 6: Final answer
    x = 3,639.17

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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.