Home / 2,413.76-3,331-1,365.80

Finding the Fourth Proportional to 2,413.76, 3,331 and 1,365.80

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Solution

The fourth proportional to 2,413.76, 3,331 and 1,365.80 is: 1,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.76 : 3,331 = 1,365.80 : x
  2. Step 2: Convert to fraction form
    2,413.76/3,331 = 1,365.80/x
  3. Step 3: Cross multiply
    2,413.76x = 3,331 × 1,365.80
  4. Step 4: Simplify right side
    2,413.76x = 4,549,479.80
  5. Step 5: Solve for x
    x = 4,549,479.80/2,413.76
  6. Step 6: Final answer
    x = 1,884.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.