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Finding the Fourth Proportional to 1,101.94, 1,652.91 and 452.73

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Solution

The fourth proportional to 1,101.94, 1,652.91 and 452.73 is: 679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.94 : 1,652.91 = 452.73 : x
  2. Step 2: Convert to fraction form
    1,101.94/1,652.91 = 452.73/x
  3. Step 3: Cross multiply
    1,101.94x = 1,652.91 × 452.73
  4. Step 4: Simplify right side
    1,101.94x = 748,321.94
  5. Step 5: Solve for x
    x = 748,321.94/1,101.94
  6. Step 6: Final answer
    x = 679.10

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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.