Home / 1,413.71-2,121.59-1,067.47

Finding the Fourth Proportional to 1,413.71, 2,121.59 and 1,067.47

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Solution

The fourth proportional to 1,413.71, 2,121.59 and 1,067.47 is: 1,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.71 : 2,121.59 = 1,067.47 : x
  2. Step 2: Convert to fraction form
    1,413.71/2,121.59 = 1,067.47/x
  3. Step 3: Cross multiply
    1,413.71x = 2,121.59 × 1,067.47
  4. Step 4: Simplify right side
    1,413.71x = 2,264,733.68
  5. Step 5: Solve for x
    x = 2,264,733.68/1,413.71
  6. Step 6: Final answer
    x = 1,601.98

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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.