Home / 3,924.72-5,413.88-2,351.92

Finding the Fourth Proportional to 3,924.72, 5,413.88 and 2,351.92

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Solution

The fourth proportional to 3,924.72, 5,413.88 and 2,351.92 is: 3,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.72 : 5,413.88 = 2,351.92 : x
  2. Step 2: Convert to fraction form
    3,924.72/5,413.88 = 2,351.92/x
  3. Step 3: Cross multiply
    3,924.72x = 5,413.88 × 2,351.92
  4. Step 4: Simplify right side
    3,924.72x = 12,733,012.65
  5. Step 5: Solve for x
    x = 12,733,012.65/3,924.72
  6. Step 6: Final answer
    x = 3,244.31

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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.