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Finding the Fourth Proportional to 3,373.91, 4,653.72 and 2,931.05

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Solution

The fourth proportional to 3,373.91, 4,653.72 and 2,931.05 is: 4,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.91 : 4,653.72 = 2,931.05 : x
  2. Step 2: Convert to fraction form
    3,373.91/4,653.72 = 2,931.05/x
  3. Step 3: Cross multiply
    3,373.91x = 4,653.72 × 2,931.05
  4. Step 4: Simplify right side
    3,373.91x = 13,640,286.01
  5. Step 5: Solve for x
    x = 13,640,286.01/3,373.91
  6. Step 6: Final answer
    x = 4,042.87

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