Home / 3,221.82-4,446.66-2,697.66

Finding the Fourth Proportional to 3,221.82, 4,446.66 and 2,697.66

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Solution

The fourth proportional to 3,221.82, 4,446.66 and 2,697.66 is: 3,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.82 : 4,446.66 = 2,697.66 : x
  2. Step 2: Convert to fraction form
    3,221.82/4,446.66 = 2,697.66/x
  3. Step 3: Cross multiply
    3,221.82x = 4,446.66 × 2,697.66
  4. Step 4: Simplify right side
    3,221.82x = 11,995,576.82
  5. Step 5: Solve for x
    x = 11,995,576.82/3,221.82
  6. Step 6: Final answer
    x = 3,723.23

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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.