Home / 3,489.24-5,223.96-3,160.77

Finding the Fourth Proportional to 3,489.24, 5,223.96 and 3,160.77

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Solution

The fourth proportional to 3,489.24, 5,223.96 and 3,160.77 is: 4,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.24 : 5,223.96 = 3,160.77 : x
  2. Step 2: Convert to fraction form
    3,489.24/5,223.96 = 3,160.77/x
  3. Step 3: Cross multiply
    3,489.24x = 5,223.96 × 3,160.77
  4. Step 4: Simplify right side
    3,489.24x = 16,511,736.05
  5. Step 5: Solve for x
    x = 16,511,736.05/3,489.24
  6. Step 6: Final answer
    x = 4,732.19

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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.