Home / 2,252.31-3,108.06-1,257.54

Finding the Fourth Proportional to 2,252.31, 3,108.06 and 1,257.54

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Solution

The fourth proportional to 2,252.31, 3,108.06 and 1,257.54 is: 1,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.31 : 3,108.06 = 1,257.54 : x
  2. Step 2: Convert to fraction form
    2,252.31/3,108.06 = 1,257.54/x
  3. Step 3: Cross multiply
    2,252.31x = 3,108.06 × 1,257.54
  4. Step 4: Simplify right side
    2,252.31x = 3,908,509.77
  5. Step 5: Solve for x
    x = 3,908,509.77/2,252.31
  6. Step 6: Final answer
    x = 1,735.33

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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.