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Finding the Fourth Proportional to 3,879.27, 5,818.10 and 1,932.03

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Solution

The fourth proportional to 3,879.27, 5,818.10 and 1,932.03 is: 2,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.27 : 5,818.10 = 1,932.03 : x
  2. Step 2: Convert to fraction form
    3,879.27/5,818.10 = 1,932.03/x
  3. Step 3: Cross multiply
    3,879.27x = 5,818.10 × 1,932.03
  4. Step 4: Simplify right side
    3,879.27x = 11,240,734.08
  5. Step 5: Solve for x
    x = 11,240,734.08/3,879.27
  6. Step 6: Final answer
    x = 2,897.64

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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.