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Finding the Fourth Proportional to 3,846.00, 5,769.02 and 1,380.84

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Solution

The fourth proportional to 3,846.00, 5,769.02 and 1,380.84 is: 2,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.00 : 5,769.02 = 1,380.84 : x
  2. Step 2: Convert to fraction form
    3,846.00/5,769.02 = 1,380.84/x
  3. Step 3: Cross multiply
    3,846.00x = 5,769.02 × 1,380.84
  4. Step 4: Simplify right side
    3,846.00x = 7,966,091.62
  5. Step 5: Solve for x
    x = 7,966,091.62/3,846.00
  6. Step 6: Final answer
    x = 2,071.27

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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.