Home / 3,520.20-4,861.96-2,339.22

Finding the Fourth Proportional to 3,520.20, 4,861.96 and 2,339.22

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Solution

The fourth proportional to 3,520.20, 4,861.96 and 2,339.22 is: 3,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.20 : 4,861.96 = 2,339.22 : x
  2. Step 2: Convert to fraction form
    3,520.20/4,861.96 = 2,339.22/x
  3. Step 3: Cross multiply
    3,520.20x = 4,861.96 × 2,339.22
  4. Step 4: Simplify right side
    3,520.20x = 11,373,194.07
  5. Step 5: Solve for x
    x = 11,373,194.07/3,520.20
  6. Step 6: Final answer
    x = 3,230.84

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Half scale
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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.