Home / 3,413.85-4,713.45-2,629.77

Finding the Fourth Proportional to 3,413.85, 4,713.45 and 2,629.77

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Solution

The fourth proportional to 3,413.85, 4,713.45 and 2,629.77 is: 3,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.85 : 4,713.45 = 2,629.77 : x
  2. Step 2: Convert to fraction form
    3,413.85/4,713.45 = 2,629.77/x
  3. Step 3: Cross multiply
    3,413.85x = 4,713.45 × 2,629.77
  4. Step 4: Simplify right side
    3,413.85x = 12,395,289.41
  5. Step 5: Solve for x
    x = 12,395,289.41/3,413.85
  6. Step 6: Final answer
    x = 3,630.88

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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.