Home / 3,966.31-5,947.45-1,332.88

Finding the Fourth Proportional to 3,966.31, 5,947.45 and 1,332.88

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Solution

The fourth proportional to 3,966.31, 5,947.45 and 1,332.88 is: 1,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.31 : 5,947.45 = 1,332.88 : x
  2. Step 2: Convert to fraction form
    3,966.31/5,947.45 = 1,332.88/x
  3. Step 3: Cross multiply
    3,966.31x = 5,947.45 × 1,332.88
  4. Step 4: Simplify right side
    3,966.31x = 7,927,237.16
  5. Step 5: Solve for x
    x = 7,927,237.16/3,966.31
  6. Step 6: Final answer
    x = 1,998.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.