Home / 2,275.25-3,413.42-1,180.13

Finding the Fourth Proportional to 2,275.25, 3,413.42 and 1,180.13

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Solution

The fourth proportional to 2,275.25, 3,413.42 and 1,180.13 is: 1,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.25 : 3,413.42 = 1,180.13 : x
  2. Step 2: Convert to fraction form
    2,275.25/3,413.42 = 1,180.13/x
  3. Step 3: Cross multiply
    2,275.25x = 3,413.42 × 1,180.13
  4. Step 4: Simplify right side
    2,275.25x = 4,028,286.40
  5. Step 5: Solve for x
    x = 4,028,286.40/2,275.25
  6. Step 6: Final answer
    x = 1,770.48

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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.