Home / 3,922.29-5,413.19-2,243.85

Finding the Fourth Proportional to 3,922.29, 5,413.19 and 2,243.85

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Solution

The fourth proportional to 3,922.29, 5,413.19 and 2,243.85 is: 3,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.29 : 5,413.19 = 2,243.85 : x
  2. Step 2: Convert to fraction form
    3,922.29/5,413.19 = 2,243.85/x
  3. Step 3: Cross multiply
    3,922.29x = 5,413.19 × 2,243.85
  4. Step 4: Simplify right side
    3,922.29x = 12,146,386.38
  5. Step 5: Solve for x
    x = 12,146,386.38/3,922.29
  6. Step 6: Final answer
    x = 3,096.76

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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.