Home / 3,679.28-5,520.04-1,082.24

Finding the Fourth Proportional to 3,679.28, 5,520.04 and 1,082.24

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Solution

The fourth proportional to 3,679.28, 5,520.04 and 1,082.24 is: 1,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.28 : 5,520.04 = 1,082.24 : x
  2. Step 2: Convert to fraction form
    3,679.28/5,520.04 = 1,082.24/x
  3. Step 3: Cross multiply
    3,679.28x = 5,520.04 × 1,082.24
  4. Step 4: Simplify right side
    3,679.28x = 5,974,008.09
  5. Step 5: Solve for x
    x = 5,974,008.09/3,679.28
  6. Step 6: Final answer
    x = 1,623.69

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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.