Home / 3,350.40-4,622.22-2,230.80

Finding the Fourth Proportional to 3,350.40, 4,622.22 and 2,230.80

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Solution

The fourth proportional to 3,350.40, 4,622.22 and 2,230.80 is: 3,077.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.40 : 4,622.22 = 2,230.80 : x
  2. Step 2: Convert to fraction form
    3,350.40/4,622.22 = 2,230.80/x
  3. Step 3: Cross multiply
    3,350.40x = 4,622.22 × 2,230.80
  4. Step 4: Simplify right side
    3,350.40x = 10,311,248.38
  5. Step 5: Solve for x
    x = 10,311,248.38/3,350.40
  6. Step 6: Final answer
    x = 3,077.62

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Half scale
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Similar ratio
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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.