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Finding the Fourth Proportional to 3,000.00, 4,499.99 and 808.95

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Solution

The fourth proportional to 3,000.00, 4,499.99 and 808.95 is: 1,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.00 : 4,499.99 = 808.95 : x
  2. Step 2: Convert to fraction form
    3,000.00/4,499.99 = 808.95/x
  3. Step 3: Cross multiply
    3,000.00x = 4,499.99 × 808.95
  4. Step 4: Simplify right side
    3,000.00x = 3,640,251.62
  5. Step 5: Solve for x
    x = 3,640,251.62/3,000.00
  6. Step 6: Final answer
    x = 1,213.42

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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.