Home / 3,488.72-5,234.46-1,539.56

Finding the Fourth Proportional to 3,488.72, 5,234.46 and 1,539.56

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Solution

The fourth proportional to 3,488.72, 5,234.46 and 1,539.56 is: 2,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.72 : 5,234.46 = 1,539.56 : x
  2. Step 2: Convert to fraction form
    3,488.72/5,234.46 = 1,539.56/x
  3. Step 3: Cross multiply
    3,488.72x = 5,234.46 × 1,539.56
  4. Step 4: Simplify right side
    3,488.72x = 8,058,765.24
  5. Step 5: Solve for x
    x = 8,058,765.24/3,488.72
  6. Step 6: Final answer
    x = 2,309.95

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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.