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Finding the Fourth Proportional to 1,644.73, 2,468.80 and 1,100.71

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Solution

The fourth proportional to 1,644.73, 2,468.80 and 1,100.71 is: 1,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.73 : 2,468.80 = 1,100.71 : x
  2. Step 2: Convert to fraction form
    1,644.73/2,468.80 = 1,100.71/x
  3. Step 3: Cross multiply
    1,644.73x = 2,468.80 × 1,100.71
  4. Step 4: Simplify right side
    1,644.73x = 2,717,447.35
  5. Step 5: Solve for x
    x = 2,717,447.35/1,644.73
  6. Step 6: Final answer
    x = 1,652.21

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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.