Home / 2,553.36-3,819.96-1,824.72

Finding the Fourth Proportional to 2,553.36, 3,819.96 and 1,824.72

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Solution

The fourth proportional to 2,553.36, 3,819.96 and 1,824.72 is: 2,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.36 : 3,819.96 = 1,824.72 : x
  2. Step 2: Convert to fraction form
    2,553.36/3,819.96 = 1,824.72/x
  3. Step 3: Cross multiply
    2,553.36x = 3,819.96 × 1,824.72
  4. Step 4: Simplify right side
    2,553.36x = 6,970,357.41
  5. Step 5: Solve for x
    x = 6,970,357.41/2,553.36
  6. Step 6: Final answer
    x = 2,729.88

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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.