Home / 2,252.09-3,107.51-1,257.33

Finding the Fourth Proportional to 2,252.09, 3,107.51 and 1,257.33

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Solution

The fourth proportional to 2,252.09, 3,107.51 and 1,257.33 is: 1,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.09 : 3,107.51 = 1,257.33 : x
  2. Step 2: Convert to fraction form
    2,252.09/3,107.51 = 1,257.33/x
  3. Step 3: Cross multiply
    2,252.09x = 3,107.51 × 1,257.33
  4. Step 4: Simplify right side
    2,252.09x = 3,907,159.26
  5. Step 5: Solve for x
    x = 3,907,159.26/2,252.09
  6. Step 6: Final answer
    x = 1,734.91

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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.