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Finding the Fourth Proportional to 1,966.75, 2,712.49 and 1,180.24

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Solution

The fourth proportional to 1,966.75, 2,712.49 and 1,180.24 is: 1,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.75 : 2,712.49 = 1,180.24 : x
  2. Step 2: Convert to fraction form
    1,966.75/2,712.49 = 1,180.24/x
  3. Step 3: Cross multiply
    1,966.75x = 2,712.49 × 1,180.24
  4. Step 4: Simplify right side
    1,966.75x = 3,201,389.20
  5. Step 5: Solve for x
    x = 3,201,389.20/1,966.75
  6. Step 6: Final answer
    x = 1,627.76

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