Home / 2,275.71-3,413.30-1,339.22

Finding the Fourth Proportional to 2,275.71, 3,413.30 and 1,339.22

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Solution

The fourth proportional to 2,275.71, 3,413.30 and 1,339.22 is: 2,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.71 : 3,413.30 = 1,339.22 : x
  2. Step 2: Convert to fraction form
    2,275.71/3,413.30 = 1,339.22/x
  3. Step 3: Cross multiply
    2,275.71x = 3,413.30 × 1,339.22
  4. Step 4: Simplify right side
    2,275.71x = 4,571,135.86
  5. Step 5: Solve for x
    x = 4,571,135.86/2,275.71
  6. Step 6: Final answer
    x = 2,008.66

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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.