Home / 3,943.76-5,911.92-1,752.80

Finding the Fourth Proportional to 3,943.76, 5,911.92 and 1,752.80

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Solution

The fourth proportional to 3,943.76, 5,911.92 and 1,752.80 is: 2,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.76 : 5,911.92 = 1,752.80 : x
  2. Step 2: Convert to fraction form
    3,943.76/5,911.92 = 1,752.80/x
  3. Step 3: Cross multiply
    3,943.76x = 5,911.92 × 1,752.80
  4. Step 4: Simplify right side
    3,943.76x = 10,362,413.38
  5. Step 5: Solve for x
    x = 10,362,413.38/3,943.76
  6. Step 6: Final answer
    x = 2,627.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.