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Finding the Fourth Proportional to 1,948.71, 2,691.03 and 1,251.30

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Solution

The fourth proportional to 1,948.71, 2,691.03 and 1,251.30 is: 1,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.71 : 2,691.03 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    1,948.71/2,691.03 = 1,251.30/x
  3. Step 3: Cross multiply
    1,948.71x = 2,691.03 × 1,251.30
  4. Step 4: Simplify right side
    1,948.71x = 3,367,285.84
  5. Step 5: Solve for x
    x = 3,367,285.84/1,948.71
  6. Step 6: Final answer
    x = 1,727.96

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