Home / 3,591.31-4,955.91-1,997.95

Finding the Fourth Proportional to 3,591.31, 4,955.91 and 1,997.95

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Solution

The fourth proportional to 3,591.31, 4,955.91 and 1,997.95 is: 2,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.31 : 4,955.91 = 1,997.95 : x
  2. Step 2: Convert to fraction form
    3,591.31/4,955.91 = 1,997.95/x
  3. Step 3: Cross multiply
    3,591.31x = 4,955.91 × 1,997.95
  4. Step 4: Simplify right side
    3,591.31x = 9,901,660.38
  5. Step 5: Solve for x
    x = 9,901,660.38/3,591.31
  6. Step 6: Final answer
    x = 2,757.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.