Home / 2,556.43-3,829.01-1,899.33

Finding the Fourth Proportional to 2,556.43, 3,829.01 and 1,899.33

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Solution

The fourth proportional to 2,556.43, 3,829.01 and 1,899.33 is: 2,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.43 : 3,829.01 = 1,899.33 : x
  2. Step 2: Convert to fraction form
    2,556.43/3,829.01 = 1,899.33/x
  3. Step 3: Cross multiply
    2,556.43x = 3,829.01 × 1,899.33
  4. Step 4: Simplify right side
    2,556.43x = 7,272,553.56
  5. Step 5: Solve for x
    x = 7,272,553.56/2,556.43
  6. Step 6: Final answer
    x = 2,844.81

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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.