Home / 3,413.10-4,709.13-2,086.68

Finding the Fourth Proportional to 3,413.10, 4,709.13 and 2,086.68

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Solution

The fourth proportional to 3,413.10, 4,709.13 and 2,086.68 is: 2,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.10 : 4,709.13 = 2,086.68 : x
  2. Step 2: Convert to fraction form
    3,413.10/4,709.13 = 2,086.68/x
  3. Step 3: Cross multiply
    3,413.10x = 4,709.13 × 2,086.68
  4. Step 4: Simplify right side
    3,413.10x = 9,826,447.39
  5. Step 5: Solve for x
    x = 9,826,447.39/3,413.10
  6. Step 6: Final answer
    x = 2,879.04

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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.