Home / 3,278.52-4,917.60-1,330.92

Finding the Fourth Proportional to 3,278.52, 4,917.60 and 1,330.92

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Solution

The fourth proportional to 3,278.52, 4,917.60 and 1,330.92 is: 1,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.52 : 4,917.60 = 1,330.92 : x
  2. Step 2: Convert to fraction form
    3,278.52/4,917.60 = 1,330.92/x
  3. Step 3: Cross multiply
    3,278.52x = 4,917.60 × 1,330.92
  4. Step 4: Simplify right side
    3,278.52x = 6,544,932.19
  5. Step 5: Solve for x
    x = 6,544,932.19/3,278.52
  6. Step 6: Final answer
    x = 1,996.31

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