Home / 3,679.45-5,519.68-1,339.16

Finding the Fourth Proportional to 3,679.45, 5,519.68 and 1,339.16

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Solution

The fourth proportional to 3,679.45, 5,519.68 and 1,339.16 is: 2,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.45 : 5,519.68 = 1,339.16 : x
  2. Step 2: Convert to fraction form
    3,679.45/5,519.68 = 1,339.16/x
  3. Step 3: Cross multiply
    3,679.45x = 5,519.68 × 1,339.16
  4. Step 4: Simplify right side
    3,679.45x = 7,391,703.72
  5. Step 5: Solve for x
    x = 7,391,703.72/3,679.45
  6. Step 6: Final answer
    x = 2,008.92

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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.