Home / 3,924.31-5,413.15-2,329.88

Finding the Fourth Proportional to 3,924.31, 5,413.15 and 2,329.88

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Solution

The fourth proportional to 3,924.31, 5,413.15 and 2,329.88 is: 3,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.31 : 5,413.15 = 2,329.88 : x
  2. Step 2: Convert to fraction form
    3,924.31/5,413.15 = 2,329.88/x
  3. Step 3: Cross multiply
    3,924.31x = 5,413.15 × 2,329.88
  4. Step 4: Simplify right side
    3,924.31x = 12,611,967.18
  5. Step 5: Solve for x
    x = 12,611,967.18/3,924.31
  6. Step 6: Final answer
    x = 3,213.80

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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.