Home / 4,049.20-5,588.22-2,280.70

Finding the Fourth Proportional to 4,049.20, 5,588.22 and 2,280.70

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Solution

The fourth proportional to 4,049.20, 5,588.22 and 2,280.70 is: 3,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.20 : 5,588.22 = 2,280.70 : x
  2. Step 2: Convert to fraction form
    4,049.20/5,588.22 = 2,280.70/x
  3. Step 3: Cross multiply
    4,049.20x = 5,588.22 × 2,280.70
  4. Step 4: Simplify right side
    4,049.20x = 12,745,053.35
  5. Step 5: Solve for x
    x = 12,745,053.35/4,049.20
  6. Step 6: Final answer
    x = 3,147.55

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Half scale
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Double scale
Find fourth proportional to 4,050.20, 5,589.60 and 2,281.70
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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.