Home / 2,252.20-3,108.03-1,257.48

Finding the Fourth Proportional to 2,252.20, 3,108.03 and 1,257.48

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Solution

The fourth proportional to 2,252.20, 3,108.03 and 1,257.48 is: 1,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.20 : 3,108.03 = 1,257.48 : x
  2. Step 2: Convert to fraction form
    2,252.20/3,108.03 = 1,257.48/x
  3. Step 3: Cross multiply
    2,252.20x = 3,108.03 × 1,257.48
  4. Step 4: Simplify right side
    2,252.20x = 3,908,278.62
  5. Step 5: Solve for x
    x = 3,908,278.62/2,252.20
  6. Step 6: Final answer
    x = 1,735.32

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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.