Home / 3,413.13-4,709.25-2,086.35

Finding the Fourth Proportional to 3,413.13, 4,709.25 and 2,086.35

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Solution

The fourth proportional to 3,413.13, 4,709.25 and 2,086.35 is: 2,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.13 : 4,709.25 = 2,086.35 : x
  2. Step 2: Convert to fraction form
    3,413.13/4,709.25 = 2,086.35/x
  3. Step 3: Cross multiply
    3,413.13x = 4,709.25 × 2,086.35
  4. Step 4: Simplify right side
    3,413.13x = 9,825,143.74
  5. Step 5: Solve for x
    x = 9,825,143.74/3,413.13
  6. Step 6: Final answer
    x = 2,878.63

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1.5x scale

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.