Home / 2,546.88-3,821.76-1,085.92

Finding the Fourth Proportional to 2,546.88, 3,821.76 and 1,085.92

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Solution

The fourth proportional to 2,546.88, 3,821.76 and 1,085.92 is: 1,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.88 : 3,821.76 = 1,085.92 : x
  2. Step 2: Convert to fraction form
    2,546.88/3,821.76 = 1,085.92/x
  3. Step 3: Cross multiply
    2,546.88x = 3,821.76 × 1,085.92
  4. Step 4: Simplify right side
    2,546.88x = 4,150,125.62
  5. Step 5: Solve for x
    x = 4,150,125.62/2,546.88
  6. Step 6: Final answer
    x = 1,629.49

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1.5x scale

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.