Home / 4,182.20-5,771.98-2,413.78

Finding the Fourth Proportional to 4,182.20, 5,771.98 and 2,413.78

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Solution

The fourth proportional to 4,182.20, 5,771.98 and 2,413.78 is: 3,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.20 : 5,771.98 = 2,413.78 : x
  2. Step 2: Convert to fraction form
    4,182.20/5,771.98 = 2,413.78/x
  3. Step 3: Cross multiply
    4,182.20x = 5,771.98 × 2,413.78
  4. Step 4: Simplify right side
    4,182.20x = 13,932,289.88
  5. Step 5: Solve for x
    x = 13,932,289.88/4,182.20
  6. Step 6: Final answer
    x = 3,331.33

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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.