Home / 3,679.28-5,520.48-1,731.44

Finding the Fourth Proportional to 3,679.28, 5,520.48 and 1,731.44

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Solution

The fourth proportional to 3,679.28, 5,520.48 and 1,731.44 is: 2,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.28 : 5,520.48 = 1,731.44 : x
  2. Step 2: Convert to fraction form
    3,679.28/5,520.48 = 1,731.44/x
  3. Step 3: Cross multiply
    3,679.28x = 5,520.48 × 1,731.44
  4. Step 4: Simplify right side
    3,679.28x = 9,558,379.89
  5. Step 5: Solve for x
    x = 9,558,379.89/3,679.28
  6. Step 6: Final answer
    x = 2,597.89

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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.