Home / 3,245.57-4,872.21-2,731.97

Finding the Fourth Proportional to 3,245.57, 4,872.21 and 2,731.97

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Solution

The fourth proportional to 3,245.57, 4,872.21 and 2,731.97 is: 4,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.57 : 4,872.21 = 2,731.97 : x
  2. Step 2: Convert to fraction form
    3,245.57/4,872.21 = 2,731.97/x
  3. Step 3: Cross multiply
    3,245.57x = 4,872.21 × 2,731.97
  4. Step 4: Simplify right side
    3,245.57x = 13,310,707.19
  5. Step 5: Solve for x
    x = 13,310,707.19/3,245.57
  6. Step 6: Final answer
    x = 4,101.19

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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.