Home / 3,198.09-4,413.38-1,853.96

Finding the Fourth Proportional to 3,198.09, 4,413.38 and 1,853.96

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Solution

The fourth proportional to 3,198.09, 4,413.38 and 1,853.96 is: 2,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.09 : 4,413.38 = 1,853.96 : x
  2. Step 2: Convert to fraction form
    3,198.09/4,413.38 = 1,853.96/x
  3. Step 3: Cross multiply
    3,198.09x = 4,413.38 × 1,853.96
  4. Step 4: Simplify right side
    3,198.09x = 8,182,223.47
  5. Step 5: Solve for x
    x = 8,182,223.47/3,198.09
  6. Step 6: Final answer
    x = 2,558.47

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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.