Home / 3,489.03-5,229.29-2,670.72

Finding the Fourth Proportional to 3,489.03, 5,229.29 and 2,670.72

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Solution

The fourth proportional to 3,489.03, 5,229.29 and 2,670.72 is: 4,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.03 : 5,229.29 = 2,670.72 : x
  2. Step 2: Convert to fraction form
    3,489.03/5,229.29 = 2,670.72/x
  3. Step 3: Cross multiply
    3,489.03x = 5,229.29 × 2,670.72
  4. Step 4: Simplify right side
    3,489.03x = 13,965,956.04
  5. Step 5: Solve for x
    x = 13,965,956.04/3,489.03
  6. Step 6: Final answer
    x = 4,002.82

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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.