Home / 3,679.43-5,519.54-1,082.36

Finding the Fourth Proportional to 3,679.43, 5,519.54 and 1,082.36

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Solution

The fourth proportional to 3,679.43, 5,519.54 and 1,082.36 is: 1,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.43 : 5,519.54 = 1,082.36 : x
  2. Step 2: Convert to fraction form
    3,679.43/5,519.54 = 1,082.36/x
  3. Step 3: Cross multiply
    3,679.43x = 5,519.54 × 1,082.36
  4. Step 4: Simplify right side
    3,679.43x = 5,974,145.82
  5. Step 5: Solve for x
    x = 5,974,145.82/3,679.43
  6. Step 6: Final answer
    x = 1,623.66

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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.