Home / 3,169.63-4,755.77-1,413.43

Finding the Fourth Proportional to 3,169.63, 4,755.77 and 1,413.43

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Solution

The fourth proportional to 3,169.63, 4,755.77 and 1,413.43 is: 2,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.63 : 4,755.77 = 1,413.43 : x
  2. Step 2: Convert to fraction form
    3,169.63/4,755.77 = 1,413.43/x
  3. Step 3: Cross multiply
    3,169.63x = 4,755.77 × 1,413.43
  4. Step 4: Simplify right side
    3,169.63x = 6,721,934.33
  5. Step 5: Solve for x
    x = 6,721,934.33/3,169.63
  6. Step 6: Final answer
    x = 2,120.73

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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.