Home / 3,922.44-5,413.26-2,578.92

Finding the Fourth Proportional to 3,922.44, 5,413.26 and 2,578.92

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Solution

The fourth proportional to 3,922.44, 5,413.26 and 2,578.92 is: 3,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.44 : 5,413.26 = 2,578.92 : x
  2. Step 2: Convert to fraction form
    3,922.44/5,413.26 = 2,578.92/x
  3. Step 3: Cross multiply
    3,922.44x = 5,413.26 × 2,578.92
  4. Step 4: Simplify right side
    3,922.44x = 13,960,364.48
  5. Step 5: Solve for x
    x = 13,960,364.48/3,922.44
  6. Step 6: Final answer
    x = 3,559.10

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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.