Home / 2,934.26-4,391.46-2,855.28

Finding the Fourth Proportional to 2,934.26, 4,391.46 and 2,855.28

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Solution

The fourth proportional to 2,934.26, 4,391.46 and 2,855.28 is: 4,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.26 : 4,391.46 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    2,934.26/4,391.46 = 2,855.28/x
  3. Step 3: Cross multiply
    2,934.26x = 4,391.46 × 2,855.28
  4. Step 4: Simplify right side
    2,934.26x = 12,538,847.91
  5. Step 5: Solve for x
    x = 12,538,847.91/2,934.26
  6. Step 6: Final answer
    x = 4,273.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.