Home / 2,252.06-3,107.90-1,257.31

Finding the Fourth Proportional to 2,252.06, 3,107.90 and 1,257.31

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Solution

The fourth proportional to 2,252.06, 3,107.90 and 1,257.31 is: 1,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.06 : 3,107.90 = 1,257.31 : x
  2. Step 2: Convert to fraction form
    2,252.06/3,107.90 = 1,257.31/x
  3. Step 3: Cross multiply
    2,252.06x = 3,107.90 × 1,257.31
  4. Step 4: Simplify right side
    2,252.06x = 3,907,593.75
  5. Step 5: Solve for x
    x = 3,907,593.75/2,252.06
  6. Step 6: Final answer
    x = 1,735.12

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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.