Home / 3,951.89-5,454.75-2,338.29

Finding the Fourth Proportional to 3,951.89, 5,454.75 and 2,338.29

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Solution

The fourth proportional to 3,951.89, 5,454.75 and 2,338.29 is: 3,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.89 : 5,454.75 = 2,338.29 : x
  2. Step 2: Convert to fraction form
    3,951.89/5,454.75 = 2,338.29/x
  3. Step 3: Cross multiply
    3,951.89x = 5,454.75 × 2,338.29
  4. Step 4: Simplify right side
    3,951.89x = 12,754,787.38
  5. Step 5: Solve for x
    x = 12,754,787.38/3,951.89
  6. Step 6: Final answer
    x = 3,227.52

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1.5x scale

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.