Home / 3,926.39-5,879.87-2,883.92

Finding the Fourth Proportional to 3,926.39, 5,879.87 and 2,883.92

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Solution

The fourth proportional to 3,926.39, 5,879.87 and 2,883.92 is: 4,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.39 : 5,879.87 = 2,883.92 : x
  2. Step 2: Convert to fraction form
    3,926.39/5,879.87 = 2,883.92/x
  3. Step 3: Cross multiply
    3,926.39x = 5,879.87 × 2,883.92
  4. Step 4: Simplify right side
    3,926.39x = 16,957,060.27
  5. Step 5: Solve for x
    x = 16,957,060.27/3,926.39
  6. Step 6: Final answer
    x = 4,318.74

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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.