Home / 3,560.20-5,340.39-963.13

Finding the Fourth Proportional to 3,560.20, 5,340.39 and 963.13

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Solution

The fourth proportional to 3,560.20, 5,340.39 and 963.13 is: 1,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.20 : 5,340.39 = 963.13 : x
  2. Step 2: Convert to fraction form
    3,560.20/5,340.39 = 963.13/x
  3. Step 3: Cross multiply
    3,560.20x = 5,340.39 × 963.13
  4. Step 4: Simplify right side
    3,560.20x = 5,143,463.12
  5. Step 5: Solve for x
    x = 5,143,463.12/3,560.20
  6. Step 6: Final answer
    x = 1,444.71

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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.