Home / 2,275.49-3,413.32-1,781.44

Finding the Fourth Proportional to 2,275.49, 3,413.32 and 1,781.44

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Solution

The fourth proportional to 2,275.49, 3,413.32 and 1,781.44 is: 2,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.49 : 3,413.32 = 1,781.44 : x
  2. Step 2: Convert to fraction form
    2,275.49/3,413.32 = 1,781.44/x
  3. Step 3: Cross multiply
    2,275.49x = 3,413.32 × 1,781.44
  4. Step 4: Simplify right side
    2,275.49x = 6,080,611.79
  5. Step 5: Solve for x
    x = 6,080,611.79/2,275.49
  6. Step 6: Final answer
    x = 2,672.22

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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.