Home / 1,824.20-2,738.36-1,085.41

Finding the Fourth Proportional to 1,824.20, 2,738.36 and 1,085.41

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Solution

The fourth proportional to 1,824.20, 2,738.36 and 1,085.41 is: 1,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.20 : 2,738.36 = 1,085.41 : x
  2. Step 2: Convert to fraction form
    1,824.20/2,738.36 = 1,085.41/x
  3. Step 3: Cross multiply
    1,824.20x = 2,738.36 × 1,085.41
  4. Step 4: Simplify right side
    1,824.20x = 2,972,243.33
  5. Step 5: Solve for x
    x = 2,972,243.33/1,824.20
  6. Step 6: Final answer
    x = 1,629.34

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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.