Home / 3,679.34-5,519.94-1,082.28

Finding the Fourth Proportional to 3,679.34, 5,519.94 and 1,082.28

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Solution

The fourth proportional to 3,679.34, 5,519.94 and 1,082.28 is: 1,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.34 : 5,519.94 = 1,082.28 : x
  2. Step 2: Convert to fraction form
    3,679.34/5,519.94 = 1,082.28/x
  3. Step 3: Cross multiply
    3,679.34x = 5,519.94 × 1,082.28
  4. Step 4: Simplify right side
    3,679.34x = 5,974,120.66
  5. Step 5: Solve for x
    x = 5,974,120.66/3,679.34
  6. Step 6: Final answer
    x = 1,623.70

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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.