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Finding the Fourth Proportional to 3,861.70, 5,329.10 and 2,093.27

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Solution

The fourth proportional to 3,861.70, 5,329.10 and 2,093.27 is: 2,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.70 : 5,329.10 = 2,093.27 : x
  2. Step 2: Convert to fraction form
    3,861.70/5,329.10 = 2,093.27/x
  3. Step 3: Cross multiply
    3,861.70x = 5,329.10 × 2,093.27
  4. Step 4: Simplify right side
    3,861.70x = 11,155,208.05
  5. Step 5: Solve for x
    x = 11,155,208.05/3,861.70
  6. Step 6: Final answer
    x = 2,888.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.