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Finding the Fourth Proportional to 3,944.80, 5,915.98 and 1,347.13

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Solution

The fourth proportional to 3,944.80, 5,915.98 and 1,347.13 is: 2,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.80 : 5,915.98 = 1,347.13 : x
  2. Step 2: Convert to fraction form
    3,944.80/5,915.98 = 1,347.13/x
  3. Step 3: Cross multiply
    3,944.80x = 5,915.98 × 1,347.13
  4. Step 4: Simplify right side
    3,944.80x = 7,969,557.82
  5. Step 5: Solve for x
    x = 7,969,557.82/3,944.80
  6. Step 6: Final answer
    x = 2,020.27

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