Home / 2,252.28-3,108-1,257.51

Finding the Fourth Proportional to 2,252.28, 3,108 and 1,257.51

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Solution

The fourth proportional to 2,252.28, 3,108 and 1,257.51 is: 1,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.28 : 3,108 = 1,257.51 : x
  2. Step 2: Convert to fraction form
    2,252.28/3,108 = 1,257.51/x
  3. Step 3: Cross multiply
    2,252.28x = 3,108 × 1,257.51
  4. Step 4: Simplify right side
    2,252.28x = 3,908,341.08
  5. Step 5: Solve for x
    x = 3,908,341.08/2,252.28
  6. Step 6: Final answer
    x = 1,735.28

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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.