Home / 2,791.62-4,181.16-2,170.44

Finding the Fourth Proportional to 2,791.62, 4,181.16 and 2,170.44

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Solution

The fourth proportional to 2,791.62, 4,181.16 and 2,170.44 is: 3,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.62 : 4,181.16 = 2,170.44 : x
  2. Step 2: Convert to fraction form
    2,791.62/4,181.16 = 2,170.44/x
  3. Step 3: Cross multiply
    2,791.62x = 4,181.16 × 2,170.44
  4. Step 4: Simplify right side
    2,791.62x = 9,074,956.91
  5. Step 5: Solve for x
    x = 9,074,956.91/2,791.62
  6. Step 6: Final answer
    x = 3,250.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.