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Finding the Fourth Proportional to 3,193, 4,789.50 and 884.50

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Solution

The fourth proportional to 3,193, 4,789.50 and 884.50 is: 1,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193 : 4,789.50 = 884.50 : x
  2. Step 2: Convert to fraction form
    3,193/4,789.50 = 884.50/x
  3. Step 3: Cross multiply
    3,193x = 4,789.50 × 884.50
  4. Step 4: Simplify right side
    3,193x = 4,236,312.75
  5. Step 5: Solve for x
    x = 4,236,312.75/3,193
  6. Step 6: Final answer
    x = 1,326.75

Related Problems

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Half scale
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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.