Home / 3,171.73-4,376.43-2,699.02

Finding the Fourth Proportional to 3,171.73, 4,376.43 and 2,699.02

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Solution

The fourth proportional to 3,171.73, 4,376.43 and 2,699.02 is: 3,724.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.73 : 4,376.43 = 2,699.02 : x
  2. Step 2: Convert to fraction form
    3,171.73/4,376.43 = 2,699.02/x
  3. Step 3: Cross multiply
    3,171.73x = 4,376.43 × 2,699.02
  4. Step 4: Simplify right side
    3,171.73x = 11,812,077.57
  5. Step 5: Solve for x
    x = 11,812,077.57/3,171.73
  6. Step 6: Final answer
    x = 3,724.17

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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.