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Finding the Fourth Proportional to 3,115.96, 4,664.22 and 2,331.34

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Solution

The fourth proportional to 3,115.96, 4,664.22 and 2,331.34 is: 3,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.96 : 4,664.22 = 2,331.34 : x
  2. Step 2: Convert to fraction form
    3,115.96/4,664.22 = 2,331.34/x
  3. Step 3: Cross multiply
    3,115.96x = 4,664.22 × 2,331.34
  4. Step 4: Simplify right side
    3,115.96x = 10,873,882.65
  5. Step 5: Solve for x
    x = 10,873,882.65/3,115.96
  6. Step 6: Final answer
    x = 3,489.74

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