Home / 3,549.12-5,318.97-1,882.90

Finding the Fourth Proportional to 3,549.12, 5,318.97 and 1,882.90

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Solution

The fourth proportional to 3,549.12, 5,318.97 and 1,882.90 is: 2,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.12 : 5,318.97 = 1,882.90 : x
  2. Step 2: Convert to fraction form
    3,549.12/5,318.97 = 1,882.90/x
  3. Step 3: Cross multiply
    3,549.12x = 5,318.97 × 1,882.90
  4. Step 4: Simplify right side
    3,549.12x = 10,015,088.61
  5. Step 5: Solve for x
    x = 10,015,088.61/3,549.12
  6. Step 6: Final answer
    x = 2,821.85

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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.