Home / 3,689.28-5,523.84-3,591.36

Finding the Fourth Proportional to 3,689.28, 5,523.84 and 3,591.36

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Solution

The fourth proportional to 3,689.28, 5,523.84 and 3,591.36 is: 5,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.28 : 5,523.84 = 3,591.36 : x
  2. Step 2: Convert to fraction form
    3,689.28/5,523.84 = 3,591.36/x
  3. Step 3: Cross multiply
    3,689.28x = 5,523.84 × 3,591.36
  4. Step 4: Simplify right side
    3,689.28x = 19,838,098.02
  5. Step 5: Solve for x
    x = 19,838,098.02/3,689.28
  6. Step 6: Final answer
    x = 5,377.23

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1.5x scale

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.