Home / 3,679.96-5,518.22-1,082.38

Finding the Fourth Proportional to 3,679.96, 5,518.22 and 1,082.38

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Solution

The fourth proportional to 3,679.96, 5,518.22 and 1,082.38 is: 1,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.96 : 5,518.22 = 1,082.38 : x
  2. Step 2: Convert to fraction form
    3,679.96/5,518.22 = 1,082.38/x
  3. Step 3: Cross multiply
    3,679.96x = 5,518.22 × 1,082.38
  4. Step 4: Simplify right side
    3,679.96x = 5,972,810.96
  5. Step 5: Solve for x
    x = 5,972,810.96/3,679.96
  6. Step 6: Final answer
    x = 1,623.06

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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.