Home / 3,893.37-5,365.15-2,771.17

Finding the Fourth Proportional to 3,893.37, 5,365.15 and 2,771.17

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Solution

The fourth proportional to 3,893.37, 5,365.15 and 2,771.17 is: 3,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.37 : 5,365.15 = 2,771.17 : x
  2. Step 2: Convert to fraction form
    3,893.37/5,365.15 = 2,771.17/x
  3. Step 3: Cross multiply
    3,893.37x = 5,365.15 × 2,771.17
  4. Step 4: Simplify right side
    3,893.37x = 14,867,742.73
  5. Step 5: Solve for x
    x = 14,867,742.73/3,893.37
  6. Step 6: Final answer
    x = 3,818.73

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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.