Home / 3,759.09-5,186.88-3,198.84

Finding the Fourth Proportional to 3,759.09, 5,186.88 and 3,198.84

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Solution

The fourth proportional to 3,759.09, 5,186.88 and 3,198.84 is: 4,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.09 : 5,186.88 = 3,198.84 : x
  2. Step 2: Convert to fraction form
    3,759.09/5,186.88 = 3,198.84/x
  3. Step 3: Cross multiply
    3,759.09x = 5,186.88 × 3,198.84
  4. Step 4: Simplify right side
    3,759.09x = 16,591,999.22
  5. Step 5: Solve for x
    x = 16,591,999.22/3,759.09
  6. Step 6: Final answer
    x = 4,413.83

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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.