Home / 3,553.39-5,330.33-1,992.22

Finding the Fourth Proportional to 3,553.39, 5,330.33 and 1,992.22

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Solution

The fourth proportional to 3,553.39, 5,330.33 and 1,992.22 is: 2,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.39 : 5,330.33 = 1,992.22 : x
  2. Step 2: Convert to fraction form
    3,553.39/5,330.33 = 1,992.22/x
  3. Step 3: Cross multiply
    3,553.39x = 5,330.33 × 1,992.22
  4. Step 4: Simplify right side
    3,553.39x = 10,619,171.73
  5. Step 5: Solve for x
    x = 10,619,171.73/3,553.39
  6. Step 6: Final answer
    x = 2,988.46

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Double scale
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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.