Home / 3,845.43-5,307-2,273.85

Finding the Fourth Proportional to 3,845.43, 5,307 and 2,273.85

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Solution

The fourth proportional to 3,845.43, 5,307 and 2,273.85 is: 3,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.43 : 5,307 = 2,273.85 : x
  2. Step 2: Convert to fraction form
    3,845.43/5,307 = 2,273.85/x
  3. Step 3: Cross multiply
    3,845.43x = 5,307 × 2,273.85
  4. Step 4: Simplify right side
    3,845.43x = 12,067,321.95
  5. Step 5: Solve for x
    x = 12,067,321.95/3,845.43
  6. Step 6: Final answer
    x = 3,138.09

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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.