Home / 3,251.34-4,487.22-2,205.54

Finding the Fourth Proportional to 3,251.34, 4,487.22 and 2,205.54

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Solution

The fourth proportional to 3,251.34, 4,487.22 and 2,205.54 is: 3,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.34 : 4,487.22 = 2,205.54 : x
  2. Step 2: Convert to fraction form
    3,251.34/4,487.22 = 2,205.54/x
  3. Step 3: Cross multiply
    3,251.34x = 4,487.22 × 2,205.54
  4. Step 4: Simplify right side
    3,251.34x = 9,896,743.20
  5. Step 5: Solve for x
    x = 9,896,743.20/3,251.34
  6. Step 6: Final answer
    x = 3,043.90

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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.