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Finding the Fourth Proportional to 1,951.46, 2,693.07 and 1,067.32

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Solution

The fourth proportional to 1,951.46, 2,693.07 and 1,067.32 is: 1,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.46 : 2,693.07 = 1,067.32 : x
  2. Step 2: Convert to fraction form
    1,951.46/2,693.07 = 1,067.32/x
  3. Step 3: Cross multiply
    1,951.46x = 2,693.07 × 1,067.32
  4. Step 4: Simplify right side
    1,951.46x = 2,874,370.84
  5. Step 5: Solve for x
    x = 2,874,370.84/1,951.46
  6. Step 6: Final answer
    x = 1,472.93

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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.