Home / 3,481.12-5,215.59-2,899.85

Finding the Fourth Proportional to 3,481.12, 5,215.59 and 2,899.85

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Solution

The fourth proportional to 3,481.12, 5,215.59 and 2,899.85 is: 4,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.12 : 5,215.59 = 2,899.85 : x
  2. Step 2: Convert to fraction form
    3,481.12/5,215.59 = 2,899.85/x
  3. Step 3: Cross multiply
    3,481.12x = 5,215.59 × 2,899.85
  4. Step 4: Simplify right side
    3,481.12x = 15,124,428.66
  5. Step 5: Solve for x
    x = 15,124,428.66/3,481.12
  6. Step 6: Final answer
    x = 4,344.71

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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.