Home / 3,217.22-4,439.76-1,819.97

Finding the Fourth Proportional to 3,217.22, 4,439.76 and 1,819.97

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Solution

The fourth proportional to 3,217.22, 4,439.76 and 1,819.97 is: 2,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.22 : 4,439.76 = 1,819.97 : x
  2. Step 2: Convert to fraction form
    3,217.22/4,439.76 = 1,819.97/x
  3. Step 3: Cross multiply
    3,217.22x = 4,439.76 × 1,819.97
  4. Step 4: Simplify right side
    3,217.22x = 8,080,227.87
  5. Step 5: Solve for x
    x = 8,080,227.87/3,217.22
  6. Step 6: Final answer
    x = 2,511.56

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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.