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Finding the Fourth Proportional to 3,288.70, 4,933.05 and 1,729.10

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Solution

The fourth proportional to 3,288.70, 4,933.05 and 1,729.10 is: 2,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.70 : 4,933.05 = 1,729.10 : x
  2. Step 2: Convert to fraction form
    3,288.70/4,933.05 = 1,729.10/x
  3. Step 3: Cross multiply
    3,288.70x = 4,933.05 × 1,729.10
  4. Step 4: Simplify right side
    3,288.70x = 8,529,724.58
  5. Step 5: Solve for x
    x = 8,529,724.58/3,288.70
  6. Step 6: Final answer
    x = 2,593.65

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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.