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Finding the Fourth Proportional to 3,889.05, 5,827.10 and 2,732.73

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Solution

The fourth proportional to 3,889.05, 5,827.10 and 2,732.73 is: 4,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.05 : 5,827.10 = 2,732.73 : x
  2. Step 2: Convert to fraction form
    3,889.05/5,827.10 = 2,732.73/x
  3. Step 3: Cross multiply
    3,889.05x = 5,827.10 × 2,732.73
  4. Step 4: Simplify right side
    3,889.05x = 15,923,877.32
  5. Step 5: Solve for x
    x = 15,923,877.32/3,889.05
  6. Step 6: Final answer
    x = 4,094.54

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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.