Home / 3,198.18-4,413.57-1,871.91

Finding the Fourth Proportional to 3,198.18, 4,413.57 and 1,871.91

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Solution

The fourth proportional to 3,198.18, 4,413.57 and 1,871.91 is: 2,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.18 : 4,413.57 = 1,871.91 : x
  2. Step 2: Convert to fraction form
    3,198.18/4,413.57 = 1,871.91/x
  3. Step 3: Cross multiply
    3,198.18x = 4,413.57 × 1,871.91
  4. Step 4: Simplify right side
    3,198.18x = 8,261,783.75
  5. Step 5: Solve for x
    x = 8,261,783.75/3,198.18
  6. Step 6: Final answer
    x = 2,583.28

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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.