Home / 3,860.11-5,327.72-2,181.54

Finding the Fourth Proportional to 3,860.11, 5,327.72 and 2,181.54

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Solution

The fourth proportional to 3,860.11, 5,327.72 and 2,181.54 is: 3,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.11 : 5,327.72 = 2,181.54 : x
  2. Step 2: Convert to fraction form
    3,860.11/5,327.72 = 2,181.54/x
  3. Step 3: Cross multiply
    3,860.11x = 5,327.72 × 2,181.54
  4. Step 4: Simplify right side
    3,860.11x = 11,622,634.29
  5. Step 5: Solve for x
    x = 11,622,634.29/3,860.11
  6. Step 6: Final answer
    x = 3,010.96

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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.