Home / 2,556.52-3,836.94-1,324.68

Finding the Fourth Proportional to 2,556.52, 3,836.94 and 1,324.68

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Solution

The fourth proportional to 2,556.52, 3,836.94 and 1,324.68 is: 1,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.52 : 3,836.94 = 1,324.68 : x
  2. Step 2: Convert to fraction form
    2,556.52/3,836.94 = 1,324.68/x
  3. Step 3: Cross multiply
    2,556.52x = 3,836.94 × 1,324.68
  4. Step 4: Simplify right side
    2,556.52x = 5,082,717.68
  5. Step 5: Solve for x
    x = 5,082,717.68/2,556.52
  6. Step 6: Final answer
    x = 1,988.14

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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.