Home / 2,257.41-3,383.68-1,085.75

Finding the Fourth Proportional to 2,257.41, 3,383.68 and 1,085.75

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Solution

The fourth proportional to 2,257.41, 3,383.68 and 1,085.75 is: 1,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.41 : 3,383.68 = 1,085.75 : x
  2. Step 2: Convert to fraction form
    2,257.41/3,383.68 = 1,085.75/x
  3. Step 3: Cross multiply
    2,257.41x = 3,383.68 × 1,085.75
  4. Step 4: Simplify right side
    2,257.41x = 3,673,830.56
  5. Step 5: Solve for x
    x = 3,673,830.56/2,257.41
  6. Step 6: Final answer
    x = 1,627.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.