Home / 3,431.06-4,735.59-2,171.31

Finding the Fourth Proportional to 3,431.06, 4,735.59 and 2,171.31

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Solution

The fourth proportional to 3,431.06, 4,735.59 and 2,171.31 is: 2,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.06 : 4,735.59 = 2,171.31 : x
  2. Step 2: Convert to fraction form
    3,431.06/4,735.59 = 2,171.31/x
  3. Step 3: Cross multiply
    3,431.06x = 4,735.59 × 2,171.31
  4. Step 4: Simplify right side
    3,431.06x = 10,282,433.92
  5. Step 5: Solve for x
    x = 10,282,433.92/3,431.06
  6. Step 6: Final answer
    x = 2,996.87

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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.