Home / 3,232.80-4,460.57-2,115.38

Finding the Fourth Proportional to 3,232.80, 4,460.57 and 2,115.38

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Solution

The fourth proportional to 3,232.80, 4,460.57 and 2,115.38 is: 2,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.80 : 4,460.57 = 2,115.38 : x
  2. Step 2: Convert to fraction form
    3,232.80/4,460.57 = 2,115.38/x
  3. Step 3: Cross multiply
    3,232.80x = 4,460.57 × 2,115.38
  4. Step 4: Simplify right side
    3,232.80x = 9,435,767.69
  5. Step 5: Solve for x
    x = 9,435,767.69/3,232.80
  6. Step 6: Final answer
    x = 2,918.76

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Half scale
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Double 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.