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Finding the Fourth Proportional to 2,202.57, 3,303.86 and 886.73

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Solution

The fourth proportional to 2,202.57, 3,303.86 and 886.73 is: 1,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.57 : 3,303.86 = 886.73 : x
  2. Step 2: Convert to fraction form
    2,202.57/3,303.86 = 886.73/x
  3. Step 3: Cross multiply
    2,202.57x = 3,303.86 × 886.73
  4. Step 4: Simplify right side
    2,202.57x = 2,929,610.82
  5. Step 5: Solve for x
    x = 2,929,610.82/2,202.57
  6. Step 6: Final answer
    x = 1,330.09

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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.