Home / 3,550.37-4,910.09-3,107.43

Finding the Fourth Proportional to 3,550.37, 4,910.09 and 3,107.43

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Solution

The fourth proportional to 3,550.37, 4,910.09 and 3,107.43 is: 4,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.37 : 4,910.09 = 3,107.43 : x
  2. Step 2: Convert to fraction form
    3,550.37/4,910.09 = 3,107.43/x
  3. Step 3: Cross multiply
    3,550.37x = 4,910.09 × 3,107.43
  4. Step 4: Simplify right side
    3,550.37x = 15,257,745.43
  5. Step 5: Solve for x
    x = 15,257,745.43/3,550.37
  6. Step 6: Final answer
    x = 4,297.51

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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.