Home / 2,313.89-3,194.05-2,067.85

Finding the Fourth Proportional to 2,313.89, 3,194.05 and 2,067.85

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Solution

The fourth proportional to 2,313.89, 3,194.05 and 2,067.85 is: 2,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.89 : 3,194.05 = 2,067.85 : x
  2. Step 2: Convert to fraction form
    2,313.89/3,194.05 = 2,067.85/x
  3. Step 3: Cross multiply
    2,313.89x = 3,194.05 × 2,067.85
  4. Step 4: Simplify right side
    2,313.89x = 6,604,819.25
  5. Step 5: Solve for x
    x = 6,604,819.25/2,313.89
  6. Step 6: Final answer
    x = 2,854.42

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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.