Home / 3,229.35-4,847.67-2,135.85

Finding the Fourth Proportional to 3,229.35, 4,847.67 and 2,135.85

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Solution

The fourth proportional to 3,229.35, 4,847.67 and 2,135.85 is: 3,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.35 : 4,847.67 = 2,135.85 : x
  2. Step 2: Convert to fraction form
    3,229.35/4,847.67 = 2,135.85/x
  3. Step 3: Cross multiply
    3,229.35x = 4,847.67 × 2,135.85
  4. Step 4: Simplify right side
    3,229.35x = 10,353,895.97
  5. Step 5: Solve for x
    x = 10,353,895.97/3,229.35
  6. Step 6: Final answer
    x = 3,206.19

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1.5x scale

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.