Home / 3,228.75-4,843.13-1,282.32

Finding the Fourth Proportional to 3,228.75, 4,843.13 and 1,282.32

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Solution

The fourth proportional to 3,228.75, 4,843.13 and 1,282.32 is: 1,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.75 : 4,843.13 = 1,282.32 : x
  2. Step 2: Convert to fraction form
    3,228.75/4,843.13 = 1,282.32/x
  3. Step 3: Cross multiply
    3,228.75x = 4,843.13 × 1,282.32
  4. Step 4: Simplify right side
    3,228.75x = 6,210,436.05
  5. Step 5: Solve for x
    x = 6,210,436.05/3,228.75
  6. Step 6: Final answer
    x = 1,923.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.