Home / 3,413.64-5,118.19-2,756.33

Finding the Fourth Proportional to 3,413.64, 5,118.19 and 2,756.33

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Solution

The fourth proportional to 3,413.64, 5,118.19 and 2,756.33 is: 4,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.64 : 5,118.19 = 2,756.33 : x
  2. Step 2: Convert to fraction form
    3,413.64/5,118.19 = 2,756.33/x
  3. Step 3: Cross multiply
    3,413.64x = 5,118.19 × 2,756.33
  4. Step 4: Simplify right side
    3,413.64x = 14,107,407.35
  5. Step 5: Solve for x
    x = 14,107,407.35/3,413.64
  6. Step 6: Final answer
    x = 4,132.65

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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.