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Finding the Fourth Proportional to 3,850.05, 5,771.05 and 2,182.10

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Solution

The fourth proportional to 3,850.05, 5,771.05 and 2,182.10 is: 3,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.05 : 5,771.05 = 2,182.10 : x
  2. Step 2: Convert to fraction form
    3,850.05/5,771.05 = 2,182.10/x
  3. Step 3: Cross multiply
    3,850.05x = 5,771.05 × 2,182.10
  4. Step 4: Simplify right side
    3,850.05x = 12,593,008.21
  5. Step 5: Solve for x
    x = 12,593,008.21/3,850.05
  6. Step 6: Final answer
    x = 3,270.87

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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.