Home / 3,311.40-4,565.99-2,413.55

Finding the Fourth Proportional to 3,311.40, 4,565.99 and 2,413.55

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Solution

The fourth proportional to 3,311.40, 4,565.99 and 2,413.55 is: 3,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.40 : 4,565.99 = 2,413.55 : x
  2. Step 2: Convert to fraction form
    3,311.40/4,565.99 = 2,413.55/x
  3. Step 3: Cross multiply
    3,311.40x = 4,565.99 × 2,413.55
  4. Step 4: Simplify right side
    3,311.40x = 11,020,221.68
  5. Step 5: Solve for x
    x = 11,020,221.68/3,311.40
  6. Step 6: Final answer
    x = 3,327.97

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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.