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Finding the Fourth Proportional to 1,252.74, 1,726.86 and 937.53

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Solution

The fourth proportional to 1,252.74, 1,726.86 and 937.53 is: 1,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.74 : 1,726.86 = 937.53 : x
  2. Step 2: Convert to fraction form
    1,252.74/1,726.86 = 937.53/x
  3. Step 3: Cross multiply
    1,252.74x = 1,726.86 × 937.53
  4. Step 4: Simplify right side
    1,252.74x = 1,618,980.10
  5. Step 5: Solve for x
    x = 1,618,980.10/1,252.74
  6. Step 6: Final answer
    x = 1,292.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.