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Finding the Fourth Proportional to 3,850.56, 5,773.32 and 1,384.92

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Solution

The fourth proportional to 3,850.56, 5,773.32 and 1,384.92 is: 2,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.56 : 5,773.32 = 1,384.92 : x
  2. Step 2: Convert to fraction form
    3,850.56/5,773.32 = 1,384.92/x
  3. Step 3: Cross multiply
    3,850.56x = 5,773.32 × 1,384.92
  4. Step 4: Simplify right side
    3,850.56x = 7,995,586.33
  5. Step 5: Solve for x
    x = 7,995,586.33/3,850.56
  6. Step 6: Final answer
    x = 2,076.47

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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.