Home / 3,282.50-4,923.75-3,199.88

Finding the Fourth Proportional to 3,282.50, 4,923.75 and 3,199.88

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Solution

The fourth proportional to 3,282.50, 4,923.75 and 3,199.88 is: 4,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.50 : 4,923.75 = 3,199.88 : x
  2. Step 2: Convert to fraction form
    3,282.50/4,923.75 = 3,199.88/x
  3. Step 3: Cross multiply
    3,282.50x = 4,923.75 × 3,199.88
  4. Step 4: Simplify right side
    3,282.50x = 15,755,409.15
  5. Step 5: Solve for x
    x = 15,755,409.15/3,282.50
  6. Step 6: Final answer
    x = 4,799.82

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1.5x scale

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.