Home / 3,894.27-5,374.25-2,215.96

Finding the Fourth Proportional to 3,894.27, 5,374.25 and 2,215.96

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Solution

The fourth proportional to 3,894.27, 5,374.25 and 2,215.96 is: 3,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.27 : 5,374.25 = 2,215.96 : x
  2. Step 2: Convert to fraction form
    3,894.27/5,374.25 = 2,215.96/x
  3. Step 3: Cross multiply
    3,894.27x = 5,374.25 × 2,215.96
  4. Step 4: Simplify right side
    3,894.27x = 11,909,137.05
  5. Step 5: Solve for x
    x = 11,909,137.05/3,894.27
  6. Step 6: Final answer
    x = 3,058.12

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