Home / 3,851.73-5,315.39-2,173.14

Finding the Fourth Proportional to 3,851.73, 5,315.39 and 2,173.14

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Solution

The fourth proportional to 3,851.73, 5,315.39 and 2,173.14 is: 2,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.73 : 5,315.39 = 2,173.14 : x
  2. Step 2: Convert to fraction form
    3,851.73/5,315.39 = 2,173.14/x
  3. Step 3: Cross multiply
    3,851.73x = 5,315.39 × 2,173.14
  4. Step 4: Simplify right side
    3,851.73x = 11,551,086.62
  5. Step 5: Solve for x
    x = 11,551,086.62/3,851.73
  6. Step 6: Final answer
    x = 2,998.93

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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.