Home / 3,281.94-4,920.03-1,231.38

Finding the Fourth Proportional to 3,281.94, 4,920.03 and 1,231.38

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Solution

The fourth proportional to 3,281.94, 4,920.03 and 1,231.38 is: 1,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.94 : 4,920.03 = 1,231.38 : x
  2. Step 2: Convert to fraction form
    3,281.94/4,920.03 = 1,231.38/x
  3. Step 3: Cross multiply
    3,281.94x = 4,920.03 × 1,231.38
  4. Step 4: Simplify right side
    3,281.94x = 6,058,426.54
  5. Step 5: Solve for x
    x = 6,058,426.54/3,281.94
  6. Step 6: Final answer
    x = 1,845.99

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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.