Home / 3,927.11-5,893.70-2,078.69

Finding the Fourth Proportional to 3,927.11, 5,893.70 and 2,078.69

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Solution

The fourth proportional to 3,927.11, 5,893.70 and 2,078.69 is: 3,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.11 : 5,893.70 = 2,078.69 : x
  2. Step 2: Convert to fraction form
    3,927.11/5,893.70 = 2,078.69/x
  3. Step 3: Cross multiply
    3,927.11x = 5,893.70 × 2,078.69
  4. Step 4: Simplify right side
    3,927.11x = 12,251,135.39
  5. Step 5: Solve for x
    x = 12,251,135.39/3,927.11
  6. Step 6: Final answer
    x = 3,119.64

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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.