Home / 3,143.38-4,327.92-2,394.94

Finding the Fourth Proportional to 3,143.38, 4,327.92 and 2,394.94

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Solution

The fourth proportional to 3,143.38, 4,327.92 and 2,394.94 is: 3,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.38 : 4,327.92 = 2,394.94 : x
  2. Step 2: Convert to fraction form
    3,143.38/4,327.92 = 2,394.94/x
  3. Step 3: Cross multiply
    3,143.38x = 4,327.92 × 2,394.94
  4. Step 4: Simplify right side
    3,143.38x = 10,365,108.72
  5. Step 5: Solve for x
    x = 10,365,108.72/3,143.38
  6. Step 6: Final answer
    x = 3,297.44

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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.