Home / 3,923.96-5,413.11-2,329.88

Finding the Fourth Proportional to 3,923.96, 5,413.11 and 2,329.88

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Solution

The fourth proportional to 3,923.96, 5,413.11 and 2,329.88 is: 3,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.96 : 5,413.11 = 2,329.88 : x
  2. Step 2: Convert to fraction form
    3,923.96/5,413.11 = 2,329.88/x
  3. Step 3: Cross multiply
    3,923.96x = 5,413.11 × 2,329.88
  4. Step 4: Simplify right side
    3,923.96x = 12,611,860.92
  5. Step 5: Solve for x
    x = 12,611,860.92/3,923.96
  6. Step 6: Final answer
    x = 3,214.07

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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.