Home / 3,276.10-4,517.31-2,961.28

Finding the Fourth Proportional to 3,276.10, 4,517.31 and 2,961.28

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Solution

The fourth proportional to 3,276.10, 4,517.31 and 2,961.28 is: 4,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.10 : 4,517.31 = 2,961.28 : x
  2. Step 2: Convert to fraction form
    3,276.10/4,517.31 = 2,961.28/x
  3. Step 3: Cross multiply
    3,276.10x = 4,517.31 × 2,961.28
  4. Step 4: Simplify right side
    3,276.10x = 13,377,019.76
  5. Step 5: Solve for x
    x = 13,377,019.76/3,276.10
  6. Step 6: Final answer
    x = 4,083.21

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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.