Home / 3,489.19-4,805.72-3,226.43

Finding the Fourth Proportional to 3,489.19, 4,805.72 and 3,226.43

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Solution

The fourth proportional to 3,489.19, 4,805.72 and 3,226.43 is: 4,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.19 : 4,805.72 = 3,226.43 : x
  2. Step 2: Convert to fraction form
    3,489.19/4,805.72 = 3,226.43/x
  3. Step 3: Cross multiply
    3,489.19x = 4,805.72 × 3,226.43
  4. Step 4: Simplify right side
    3,489.19x = 15,505,319.18
  5. Step 5: Solve for x
    x = 15,505,319.18/3,489.19
  6. Step 6: Final answer
    x = 4,443.82

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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.