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Finding the Fourth Proportional to 1,352.22, 1,864.98 and 932.48

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Solution

The fourth proportional to 1,352.22, 1,864.98 and 932.48 is: 1,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.22 : 1,864.98 = 932.48 : x
  2. Step 2: Convert to fraction form
    1,352.22/1,864.98 = 932.48/x
  3. Step 3: Cross multiply
    1,352.22x = 1,864.98 × 932.48
  4. Step 4: Simplify right side
    1,352.22x = 1,739,042.56
  5. Step 5: Solve for x
    x = 1,739,042.56/1,352.22
  6. Step 6: Final answer
    x = 1,286.06

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1.5x scale

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.