Home / 3,963.17-5,469.35-2,170.77

Finding the Fourth Proportional to 3,963.17, 5,469.35 and 2,170.77

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Solution

The fourth proportional to 3,963.17, 5,469.35 and 2,170.77 is: 2,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.17 : 5,469.35 = 2,170.77 : x
  2. Step 2: Convert to fraction form
    3,963.17/5,469.35 = 2,170.77/x
  3. Step 3: Cross multiply
    3,963.17x = 5,469.35 × 2,170.77
  4. Step 4: Simplify right side
    3,963.17x = 11,872,690.05
  5. Step 5: Solve for x
    x = 11,872,690.05/3,963.17
  6. Step 6: Final answer
    x = 2,995.76

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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.