Home / 2,867.43-3,958.70-2,194

Finding the Fourth Proportional to 2,867.43, 3,958.70 and 2,194

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Solution

The fourth proportional to 2,867.43, 3,958.70 and 2,194 is: 3,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.43 : 3,958.70 = 2,194 : x
  2. Step 2: Convert to fraction form
    2,867.43/3,958.70 = 2,194/x
  3. Step 3: Cross multiply
    2,867.43x = 3,958.70 × 2,194
  4. Step 4: Simplify right side
    2,867.43x = 8,685,387.80
  5. Step 5: Solve for x
    x = 8,685,387.80/2,867.43
  6. Step 6: Final answer
    x = 3,028.98

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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.