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Finding the Fourth Proportional to 2,498.27, 3,747.41 and 649.53

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Solution

The fourth proportional to 2,498.27, 3,747.41 and 649.53 is: 974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.27 : 3,747.41 = 649.53 : x
  2. Step 2: Convert to fraction form
    2,498.27/3,747.41 = 649.53/x
  3. Step 3: Cross multiply
    2,498.27x = 3,747.41 × 649.53
  4. Step 4: Simplify right side
    2,498.27x = 2,434,051.97
  5. Step 5: Solve for x
    x = 2,434,051.97/2,498.27
  6. Step 6: Final answer
    x = 974.30

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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.