Home / 3,429.73-5,147.79-1,351.17

Finding the Fourth Proportional to 3,429.73, 5,147.79 and 1,351.17

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Solution

The fourth proportional to 3,429.73, 5,147.79 and 1,351.17 is: 2,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.73 : 5,147.79 = 1,351.17 : x
  2. Step 2: Convert to fraction form
    3,429.73/5,147.79 = 1,351.17/x
  3. Step 3: Cross multiply
    3,429.73x = 5,147.79 × 1,351.17
  4. Step 4: Simplify right side
    3,429.73x = 6,955,539.41
  5. Step 5: Solve for x
    x = 6,955,539.41/3,429.73
  6. Step 6: Final answer
    x = 2,028.01

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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.