Home / 3,489.08-5,235.42-2,319.90

Finding the Fourth Proportional to 3,489.08, 5,235.42 and 2,319.90

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Solution

The fourth proportional to 3,489.08, 5,235.42 and 2,319.90 is: 3,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.08 : 5,235.42 = 2,319.90 : x
  2. Step 2: Convert to fraction form
    3,489.08/5,235.42 = 2,319.90/x
  3. Step 3: Cross multiply
    3,489.08x = 5,235.42 × 2,319.90
  4. Step 4: Simplify right side
    3,489.08x = 12,145,650.86
  5. Step 5: Solve for x
    x = 12,145,650.86/3,489.08
  6. Step 6: Final answer
    x = 3,481.05

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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.