Home / 3,204.30-4,422.42-2,319.78

Finding the Fourth Proportional to 3,204.30, 4,422.42 and 2,319.78

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Solution

The fourth proportional to 3,204.30, 4,422.42 and 2,319.78 is: 3,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.30 : 4,422.42 = 2,319.78 : x
  2. Step 2: Convert to fraction form
    3,204.30/4,422.42 = 2,319.78/x
  3. Step 3: Cross multiply
    3,204.30x = 4,422.42 × 2,319.78
  4. Step 4: Simplify right side
    3,204.30x = 10,259,041.47
  5. Step 5: Solve for x
    x = 10,259,041.47/3,204.30
  6. Step 6: Final answer
    x = 3,201.65

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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.