Home / 3,761.64-5,186.16-2,876.04

Finding the Fourth Proportional to 3,761.64, 5,186.16 and 2,876.04

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Solution

The fourth proportional to 3,761.64, 5,186.16 and 2,876.04 is: 3,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.64 : 5,186.16 = 2,876.04 : x
  2. Step 2: Convert to fraction form
    3,761.64/5,186.16 = 2,876.04/x
  3. Step 3: Cross multiply
    3,761.64x = 5,186.16 × 2,876.04
  4. Step 4: Simplify right side
    3,761.64x = 14,915,603.61
  5. Step 5: Solve for x
    x = 14,915,603.61/3,761.64
  6. Step 6: Final answer
    x = 3,965.19

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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.