Home / 3,186.73-4,399.83-2,439.36

Finding the Fourth Proportional to 3,186.73, 4,399.83 and 2,439.36

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Solution

The fourth proportional to 3,186.73, 4,399.83 and 2,439.36 is: 3,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.73 : 4,399.83 = 2,439.36 : x
  2. Step 2: Convert to fraction form
    3,186.73/4,399.83 = 2,439.36/x
  3. Step 3: Cross multiply
    3,186.73x = 4,399.83 × 2,439.36
  4. Step 4: Simplify right side
    3,186.73x = 10,732,769.31
  5. Step 5: Solve for x
    x = 10,732,769.31/3,186.73
  6. Step 6: Final answer
    x = 3,367.96

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1.5x scale

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.