Home / 2,252.62-3,108.75-1,257.94

Finding the Fourth Proportional to 2,252.62, 3,108.75 and 1,257.94

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Solution

The fourth proportional to 2,252.62, 3,108.75 and 1,257.94 is: 1,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.62 : 3,108.75 = 1,257.94 : x
  2. Step 2: Convert to fraction form
    2,252.62/3,108.75 = 1,257.94/x
  3. Step 3: Cross multiply
    2,252.62x = 3,108.75 × 1,257.94
  4. Step 4: Simplify right side
    2,252.62x = 3,910,620.98
  5. Step 5: Solve for x
    x = 3,910,620.98/2,252.62
  6. Step 6: Final answer
    x = 1,736.03

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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.