Home / 3,331.18-4,990.69-2,236.60

Finding the Fourth Proportional to 3,331.18, 4,990.69 and 2,236.60

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Solution

The fourth proportional to 3,331.18, 4,990.69 and 2,236.60 is: 3,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.18 : 4,990.69 = 2,236.60 : x
  2. Step 2: Convert to fraction form
    3,331.18/4,990.69 = 2,236.60/x
  3. Step 3: Cross multiply
    3,331.18x = 4,990.69 × 2,236.60
  4. Step 4: Simplify right side
    3,331.18x = 11,162,177.25
  5. Step 5: Solve for x
    x = 11,162,177.25/3,331.18
  6. Step 6: Final answer
    x = 3,350.82

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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.