Home / 3,251.52-4,879.70-2,020.72

Finding the Fourth Proportional to 3,251.52, 4,879.70 and 2,020.72

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Solution

The fourth proportional to 3,251.52, 4,879.70 and 2,020.72 is: 3,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.52 : 4,879.70 = 2,020.72 : x
  2. Step 2: Convert to fraction form
    3,251.52/4,879.70 = 2,020.72/x
  3. Step 3: Cross multiply
    3,251.52x = 4,879.70 × 2,020.72
  4. Step 4: Simplify right side
    3,251.52x = 9,860,507.38
  5. Step 5: Solve for x
    x = 9,860,507.38/3,251.52
  6. Step 6: Final answer
    x = 3,032.58

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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.