Home / 3,679.20-5,521.08-1,487.95

Finding the Fourth Proportional to 3,679.20, 5,521.08 and 1,487.95

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Solution

The fourth proportional to 3,679.20, 5,521.08 and 1,487.95 is: 2,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.20 : 5,521.08 = 1,487.95 : x
  2. Step 2: Convert to fraction form
    3,679.20/5,521.08 = 1,487.95/x
  3. Step 3: Cross multiply
    3,679.20x = 5,521.08 × 1,487.95
  4. Step 4: Simplify right side
    3,679.20x = 8,215,082.76
  5. Step 5: Solve for x
    x = 8,215,082.76/3,679.20
  6. Step 6: Final answer
    x = 2,232.84

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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.