Home / 3,631.82-5,447.72-3,082.64

Finding the Fourth Proportional to 3,631.82, 5,447.72 and 3,082.64

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Solution

The fourth proportional to 3,631.82, 5,447.72 and 3,082.64 is: 4,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.82 : 5,447.72 = 3,082.64 : x
  2. Step 2: Convert to fraction form
    3,631.82/5,447.72 = 3,082.64/x
  3. Step 3: Cross multiply
    3,631.82x = 5,447.72 × 3,082.64
  4. Step 4: Simplify right side
    3,631.82x = 16,793,340.05
  5. Step 5: Solve for x
    x = 16,793,340.05/3,631.82
  6. Step 6: Final answer
    x = 4,623.95

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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.