Home / 3,985.32-5,500.23-2,413.41

Finding the Fourth Proportional to 3,985.32, 5,500.23 and 2,413.41

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Solution

The fourth proportional to 3,985.32, 5,500.23 and 2,413.41 is: 3,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.32 : 5,500.23 = 2,413.41 : x
  2. Step 2: Convert to fraction form
    3,985.32/5,500.23 = 2,413.41/x
  3. Step 3: Cross multiply
    3,985.32x = 5,500.23 × 2,413.41
  4. Step 4: Simplify right side
    3,985.32x = 13,274,310.08
  5. Step 5: Solve for x
    x = 13,274,310.08/3,985.32
  6. Step 6: Final answer
    x = 3,330.80

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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.