Home / 3,562.47-5,342.42-2,082.20

Finding the Fourth Proportional to 3,562.47, 5,342.42 and 2,082.20

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Solution

The fourth proportional to 3,562.47, 5,342.42 and 2,082.20 is: 3,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.47 : 5,342.42 = 2,082.20 : x
  2. Step 2: Convert to fraction form
    3,562.47/5,342.42 = 2,082.20/x
  3. Step 3: Cross multiply
    3,562.47x = 5,342.42 × 2,082.20
  4. Step 4: Simplify right side
    3,562.47x = 11,123,965.42
  5. Step 5: Solve for x
    x = 11,123,965.42/3,562.47
  6. Step 6: Final answer
    x = 3,122.54

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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.