Home / 3,221.98-4,442.65-2,723.83

Finding the Fourth Proportional to 3,221.98, 4,442.65 and 2,723.83

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Solution

The fourth proportional to 3,221.98, 4,442.65 and 2,723.83 is: 3,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.98 : 4,442.65 = 2,723.83 : x
  2. Step 2: Convert to fraction form
    3,221.98/4,442.65 = 2,723.83/x
  3. Step 3: Cross multiply
    3,221.98x = 4,442.65 × 2,723.83
  4. Step 4: Simplify right side
    3,221.98x = 12,101,005.43
  5. Step 5: Solve for x
    x = 12,101,005.43/3,221.98
  6. Step 6: Final answer
    x = 3,755.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.