Home / 3,187.72-4,397.82-2,350.41

Finding the Fourth Proportional to 3,187.72, 4,397.82 and 2,350.41

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Solution

The fourth proportional to 3,187.72, 4,397.82 and 2,350.41 is: 3,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.72 : 4,397.82 = 2,350.41 : x
  2. Step 2: Convert to fraction form
    3,187.72/4,397.82 = 2,350.41/x
  3. Step 3: Cross multiply
    3,187.72x = 4,397.82 × 2,350.41
  4. Step 4: Simplify right side
    3,187.72x = 10,336,680.11
  5. Step 5: Solve for x
    x = 10,336,680.11/3,187.72
  6. Step 6: Final answer
    x = 3,242.66

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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.