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Finding the Fourth Proportional to 1,349.38, 2,026.38 and 804.97

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Solution

The fourth proportional to 1,349.38, 2,026.38 and 804.97 is: 1,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.38 : 2,026.38 = 804.97 : x
  2. Step 2: Convert to fraction form
    1,349.38/2,026.38 = 804.97/x
  3. Step 3: Cross multiply
    1,349.38x = 2,026.38 × 804.97
  4. Step 4: Simplify right side
    1,349.38x = 1,631,175.11
  5. Step 5: Solve for x
    x = 1,631,175.11/1,349.38
  6. Step 6: Final answer
    x = 1,208.83

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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.