Home / 2,556.52-3,839.64-1,589.38

Finding the Fourth Proportional to 2,556.52, 3,839.64 and 1,589.38

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Solution

The fourth proportional to 2,556.52, 3,839.64 and 1,589.38 is: 2,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.52 : 3,839.64 = 1,589.38 : x
  2. Step 2: Convert to fraction form
    2,556.52/3,839.64 = 1,589.38/x
  3. Step 3: Cross multiply
    2,556.52x = 3,839.64 × 1,589.38
  4. Step 4: Simplify right side
    2,556.52x = 6,102,619.88
  5. Step 5: Solve for x
    x = 6,102,619.88/2,556.52
  6. Step 6: Final answer
    x = 2,387.09

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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.