Home / 2,255.48-3,381.68-1,085.44

Finding the Fourth Proportional to 2,255.48, 3,381.68 and 1,085.44

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Solution

The fourth proportional to 2,255.48, 3,381.68 and 1,085.44 is: 1,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.48 : 3,381.68 = 1,085.44 : x
  2. Step 2: Convert to fraction form
    2,255.48/3,381.68 = 1,085.44/x
  3. Step 3: Cross multiply
    2,255.48x = 3,381.68 × 1,085.44
  4. Step 4: Simplify right side
    2,255.48x = 3,670,610.74
  5. Step 5: Solve for x
    x = 3,670,610.74/2,255.48
  6. Step 6: Final answer
    x = 1,627.42

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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.