Home / 3,183.60-4,367.22-3,049.20

Finding the Fourth Proportional to 3,183.60, 4,367.22 and 3,049.20

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Solution

The fourth proportional to 3,183.60, 4,367.22 and 3,049.20 is: 4,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.60 : 4,367.22 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    3,183.60/4,367.22 = 3,049.20/x
  3. Step 3: Cross multiply
    3,183.60x = 4,367.22 × 3,049.20
  4. Step 4: Simplify right side
    3,183.60x = 13,316,527.22
  5. Step 5: Solve for x
    x = 13,316,527.22/3,183.60
  6. Step 6: Final answer
    x = 4,182.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.