Home / 3,230.82-4,460.38-2,170.48

Finding the Fourth Proportional to 3,230.82, 4,460.38 and 2,170.48

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Solution

The fourth proportional to 3,230.82, 4,460.38 and 2,170.48 is: 2,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.82 : 4,460.38 = 2,170.48 : x
  2. Step 2: Convert to fraction form
    3,230.82/4,460.38 = 2,170.48/x
  3. Step 3: Cross multiply
    3,230.82x = 4,460.38 × 2,170.48
  4. Step 4: Simplify right side
    3,230.82x = 9,681,165.58
  5. Step 5: Solve for x
    x = 9,681,165.58/3,230.82
  6. Step 6: Final answer
    x = 2,996.50

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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.