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Finding the Fourth Proportional to 2,691.01, 4,040.62 and 2,231.74

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Solution

The fourth proportional to 2,691.01, 4,040.62 and 2,231.74 is: 3,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.01 : 4,040.62 = 2,231.74 : x
  2. Step 2: Convert to fraction form
    2,691.01/4,040.62 = 2,231.74/x
  3. Step 3: Cross multiply
    2,691.01x = 4,040.62 × 2,231.74
  4. Step 4: Simplify right side
    2,691.01x = 9,017,613.28
  5. Step 5: Solve for x
    x = 9,017,613.28/2,691.01
  6. Step 6: Final answer
    x = 3,351.01

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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.