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Finding the Fourth Proportional to 2,429.91, 3,640.46 and 1,114.76

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Solution

The fourth proportional to 2,429.91, 3,640.46 and 1,114.76 is: 1,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.91 : 3,640.46 = 1,114.76 : x
  2. Step 2: Convert to fraction form
    2,429.91/3,640.46 = 1,114.76/x
  3. Step 3: Cross multiply
    2,429.91x = 3,640.46 × 1,114.76
  4. Step 4: Simplify right side
    2,429.91x = 4,058,235.89
  5. Step 5: Solve for x
    x = 4,058,235.89/2,429.91
  6. Step 6: Final answer
    x = 1,670.12

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