Home / 3,608.92-5,413.58-1,761.61

Finding the Fourth Proportional to 3,608.92, 5,413.58 and 1,761.61

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Solution

The fourth proportional to 3,608.92, 5,413.58 and 1,761.61 is: 2,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.92 : 5,413.58 = 1,761.61 : x
  2. Step 2: Convert to fraction form
    3,608.92/5,413.58 = 1,761.61/x
  3. Step 3: Cross multiply
    3,608.92x = 5,413.58 × 1,761.61
  4. Step 4: Simplify right side
    3,608.92x = 9,536,616.66
  5. Step 5: Solve for x
    x = 9,536,616.66/3,608.92
  6. Step 6: Final answer
    x = 2,642.51

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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.