Home / 3,655.26-5,472.33-2,149.74

Finding the Fourth Proportional to 3,655.26, 5,472.33 and 2,149.74

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Solution

The fourth proportional to 3,655.26, 5,472.33 and 2,149.74 is: 3,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.26 : 5,472.33 = 2,149.74 : x
  2. Step 2: Convert to fraction form
    3,655.26/5,472.33 = 2,149.74/x
  3. Step 3: Cross multiply
    3,655.26x = 5,472.33 × 2,149.74
  4. Step 4: Simplify right side
    3,655.26x = 11,764,086.69
  5. Step 5: Solve for x
    x = 11,764,086.69/3,655.26
  6. Step 6: Final answer
    x = 3,218.40

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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.