Home / 3,229.40-4,456.22-1,903.52

Finding the Fourth Proportional to 3,229.40, 4,456.22 and 1,903.52

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Solution

The fourth proportional to 3,229.40, 4,456.22 and 1,903.52 is: 2,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.40 : 4,456.22 = 1,903.52 : x
  2. Step 2: Convert to fraction form
    3,229.40/4,456.22 = 1,903.52/x
  3. Step 3: Cross multiply
    3,229.40x = 4,456.22 × 1,903.52
  4. Step 4: Simplify right side
    3,229.40x = 8,482,503.89
  5. Step 5: Solve for x
    x = 8,482,503.89/3,229.40
  6. Step 6: Final answer
    x = 2,626.65

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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.