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Finding the Fourth Proportional to 1,402.41, 1,935.18 and 1,008.75

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Solution

The fourth proportional to 1,402.41, 1,935.18 and 1,008.75 is: 1,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.41 : 1,935.18 = 1,008.75 : x
  2. Step 2: Convert to fraction form
    1,402.41/1,935.18 = 1,008.75/x
  3. Step 3: Cross multiply
    1,402.41x = 1,935.18 × 1,008.75
  4. Step 4: Simplify right side
    1,402.41x = 1,952,112.83
  5. Step 5: Solve for x
    x = 1,952,112.83/1,402.41
  6. Step 6: Final answer
    x = 1,391.97

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