Home / 3,439.31-4,747.34-2,197.31

Finding the Fourth Proportional to 3,439.31, 4,747.34 and 2,197.31

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Solution

The fourth proportional to 3,439.31, 4,747.34 and 2,197.31 is: 3,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.31 : 4,747.34 = 2,197.31 : x
  2. Step 2: Convert to fraction form
    3,439.31/4,747.34 = 2,197.31/x
  3. Step 3: Cross multiply
    3,439.31x = 4,747.34 × 2,197.31
  4. Step 4: Simplify right side
    3,439.31x = 10,431,378.54
  5. Step 5: Solve for x
    x = 10,431,378.54/3,439.31
  6. Step 6: Final answer
    x = 3,032.98

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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.