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Finding the Fourth Proportional to 1,502.73, 2,254.10 and 636.44

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Solution

The fourth proportional to 1,502.73, 2,254.10 and 636.44 is: 954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.73 : 2,254.10 = 636.44 : x
  2. Step 2: Convert to fraction form
    1,502.73/2,254.10 = 636.44/x
  3. Step 3: Cross multiply
    1,502.73x = 2,254.10 × 636.44
  4. Step 4: Simplify right side
    1,502.73x = 1,434,584.95
  5. Step 5: Solve for x
    x = 1,434,584.95/1,502.73
  6. Step 6: Final answer
    x = 954.65

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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.