Home / 3,765.20-5,194.25-2,439.33

Finding the Fourth Proportional to 3,765.20, 5,194.25 and 2,439.33

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Solution

The fourth proportional to 3,765.20, 5,194.25 and 2,439.33 is: 3,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.20 : 5,194.25 = 2,439.33 : x
  2. Step 2: Convert to fraction form
    3,765.20/5,194.25 = 2,439.33/x
  3. Step 3: Cross multiply
    3,765.20x = 5,194.25 × 2,439.33
  4. Step 4: Simplify right side
    3,765.20x = 12,670,489.85
  5. Step 5: Solve for x
    x = 12,670,489.85/3,765.20
  6. Step 6: Final answer
    x = 3,365.16

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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.