Home / 3,961.72-5,464.38-2,634.76

Finding the Fourth Proportional to 3,961.72, 5,464.38 and 2,634.76

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Solution

The fourth proportional to 3,961.72, 5,464.38 and 2,634.76 is: 3,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.72 : 5,464.38 = 2,634.76 : x
  2. Step 2: Convert to fraction form
    3,961.72/5,464.38 = 2,634.76/x
  3. Step 3: Cross multiply
    3,961.72x = 5,464.38 × 2,634.76
  4. Step 4: Simplify right side
    3,961.72x = 14,397,329.85
  5. Step 5: Solve for x
    x = 14,397,329.85/3,961.72
  6. Step 6: Final answer
    x = 3,634.11

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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.