Home / 3,923.40-5,413.70-2,244.20

Finding the Fourth Proportional to 3,923.40, 5,413.70 and 2,244.20

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Solution

The fourth proportional to 3,923.40, 5,413.70 and 2,244.20 is: 3,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.40 : 5,413.70 = 2,244.20 : x
  2. Step 2: Convert to fraction form
    3,923.40/5,413.70 = 2,244.20/x
  3. Step 3: Cross multiply
    3,923.40x = 5,413.70 × 2,244.20
  4. Step 4: Simplify right side
    3,923.40x = 12,149,425.54
  5. Step 5: Solve for x
    x = 12,149,425.54/3,923.40
  6. Step 6: Final answer
    x = 3,096.66

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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.