Home / 4,181-5,769.90-2,318.12

Finding the Fourth Proportional to 4,181, 5,769.90 and 2,318.12

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Solution

The fourth proportional to 4,181, 5,769.90 and 2,318.12 is: 3,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181 : 5,769.90 = 2,318.12 : x
  2. Step 2: Convert to fraction form
    4,181/5,769.90 = 2,318.12/x
  3. Step 3: Cross multiply
    4,181x = 5,769.90 × 2,318.12
  4. Step 4: Simplify right side
    4,181x = 13,375,320.59
  5. Step 5: Solve for x
    x = 13,375,320.59/4,181
  6. Step 6: Final answer
    x = 3,199.07

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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.