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Finding the Fourth Proportional to 3,660.19, 5,490.98 and 1,469.09

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Solution

The fourth proportional to 3,660.19, 5,490.98 and 1,469.09 is: 2,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.19 : 5,490.98 = 1,469.09 : x
  2. Step 2: Convert to fraction form
    3,660.19/5,490.98 = 1,469.09/x
  3. Step 3: Cross multiply
    3,660.19x = 5,490.98 × 1,469.09
  4. Step 4: Simplify right side
    3,660.19x = 8,066,736.46
  5. Step 5: Solve for x
    x = 8,066,736.46/3,660.19
  6. Step 6: Final answer
    x = 2,203.91

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