Home / 3,648.12-5,034.78-2,232.75

Finding the Fourth Proportional to 3,648.12, 5,034.78 and 2,232.75

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Solution

The fourth proportional to 3,648.12, 5,034.78 and 2,232.75 is: 3,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.12 : 5,034.78 = 2,232.75 : x
  2. Step 2: Convert to fraction form
    3,648.12/5,034.78 = 2,232.75/x
  3. Step 3: Cross multiply
    3,648.12x = 5,034.78 × 2,232.75
  4. Step 4: Simplify right side
    3,648.12x = 11,241,405.05
  5. Step 5: Solve for x
    x = 11,241,405.05/3,648.12
  6. Step 6: Final answer
    x = 3,081.42

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Half scale
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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.