Home / 2,556.37-3,835.64-1,096.21

Finding the Fourth Proportional to 2,556.37, 3,835.64 and 1,096.21

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Solution

The fourth proportional to 2,556.37, 3,835.64 and 1,096.21 is: 1,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.37 : 3,835.64 = 1,096.21 : x
  2. Step 2: Convert to fraction form
    2,556.37/3,835.64 = 1,096.21/x
  3. Step 3: Cross multiply
    2,556.37x = 3,835.64 × 1,096.21
  4. Step 4: Simplify right side
    2,556.37x = 4,204,651.85
  5. Step 5: Solve for x
    x = 4,204,651.85/2,556.37
  6. Step 6: Final answer
    x = 1,644.78

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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.