Home / 3,687.17-5,092.45-2,490.08

Finding the Fourth Proportional to 3,687.17, 5,092.45 and 2,490.08

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Solution

The fourth proportional to 3,687.17, 5,092.45 and 2,490.08 is: 3,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.17 : 5,092.45 = 2,490.08 : x
  2. Step 2: Convert to fraction form
    3,687.17/5,092.45 = 2,490.08/x
  3. Step 3: Cross multiply
    3,687.17x = 5,092.45 × 2,490.08
  4. Step 4: Simplify right side
    3,687.17x = 12,680,576.21
  5. Step 5: Solve for x
    x = 12,680,576.21/3,687.17
  6. Step 6: Final answer
    x = 3,439.11

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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.