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Finding the Fourth Proportional to 1,649.52, 2,474.17 and 416.92

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Solution

The fourth proportional to 1,649.52, 2,474.17 and 416.92 is: 625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.52 : 2,474.17 = 416.92 : x
  2. Step 2: Convert to fraction form
    1,649.52/2,474.17 = 416.92/x
  3. Step 3: Cross multiply
    1,649.52x = 2,474.17 × 416.92
  4. Step 4: Simplify right side
    1,649.52x = 1,031,530.96
  5. Step 5: Solve for x
    x = 1,031,530.96/1,649.52
  6. Step 6: Final answer
    x = 625.35

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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.