Home / 4,211.15-5,811.42-2,322.80

Finding the Fourth Proportional to 4,211.15, 5,811.42 and 2,322.80

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Solution

The fourth proportional to 4,211.15, 5,811.42 and 2,322.80 is: 3,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.15 : 5,811.42 = 2,322.80 : x
  2. Step 2: Convert to fraction form
    4,211.15/5,811.42 = 2,322.80/x
  3. Step 3: Cross multiply
    4,211.15x = 5,811.42 × 2,322.80
  4. Step 4: Simplify right side
    4,211.15x = 13,498,766.38
  5. Step 5: Solve for x
    x = 13,498,766.38/4,211.15
  6. Step 6: Final answer
    x = 3,205.48

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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.