Home / 3,199.28-4,413.72-2,502.80

Finding the Fourth Proportional to 3,199.28, 4,413.72 and 2,502.80

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Solution

The fourth proportional to 3,199.28, 4,413.72 and 2,502.80 is: 3,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.28 : 4,413.72 = 2,502.80 : x
  2. Step 2: Convert to fraction form
    3,199.28/4,413.72 = 2,502.80/x
  3. Step 3: Cross multiply
    3,199.28x = 4,413.72 × 2,502.80
  4. Step 4: Simplify right side
    3,199.28x = 11,046,658.42
  5. Step 5: Solve for x
    x = 11,046,658.42/3,199.28
  6. Step 6: Final answer
    x = 3,452.86

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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.