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Finding the Fourth Proportional to 1,348.38, 2,024.88 and 803.97

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Solution

The fourth proportional to 1,348.38, 2,024.88 and 803.97 is: 1,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.38 : 2,024.88 = 803.97 : x
  2. Step 2: Convert to fraction form
    1,348.38/2,024.88 = 803.97/x
  3. Step 3: Cross multiply
    1,348.38x = 2,024.88 × 803.97
  4. Step 4: Simplify right side
    1,348.38x = 1,627,942.77
  5. Step 5: Solve for x
    x = 1,627,942.77/1,348.38
  6. Step 6: Final answer
    x = 1,207.33

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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.