Home / 3,391.41-4,680.82-2,332.05

Finding the Fourth Proportional to 3,391.41, 4,680.82 and 2,332.05

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Solution

The fourth proportional to 3,391.41, 4,680.82 and 2,332.05 is: 3,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.41 : 4,680.82 = 2,332.05 : x
  2. Step 2: Convert to fraction form
    3,391.41/4,680.82 = 2,332.05/x
  3. Step 3: Cross multiply
    3,391.41x = 4,680.82 × 2,332.05
  4. Step 4: Simplify right side
    3,391.41x = 10,915,877.05
  5. Step 5: Solve for x
    x = 10,915,877.05/3,391.41
  6. Step 6: Final answer
    x = 3,218.69

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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.