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Finding the Fourth Proportional to 3,836.66, 5,754.53 and 1,204.05

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Solution

The fourth proportional to 3,836.66, 5,754.53 and 1,204.05 is: 1,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.66 : 5,754.53 = 1,204.05 : x
  2. Step 2: Convert to fraction form
    3,836.66/5,754.53 = 1,204.05/x
  3. Step 3: Cross multiply
    3,836.66x = 5,754.53 × 1,204.05
  4. Step 4: Simplify right side
    3,836.66x = 6,928,735.83
  5. Step 5: Solve for x
    x = 6,928,735.83/3,836.66
  6. Step 6: Final answer
    x = 1,805.93

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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.