Home / 2,542.52-3,779.49-2,467.78

Finding the Fourth Proportional to 2,542.52, 3,779.49 and 2,467.78

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Solution

The fourth proportional to 2,542.52, 3,779.49 and 2,467.78 is: 3,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.52 : 3,779.49 = 2,467.78 : x
  2. Step 2: Convert to fraction form
    2,542.52/3,779.49 = 2,467.78/x
  3. Step 3: Cross multiply
    2,542.52x = 3,779.49 × 2,467.78
  4. Step 4: Simplify right side
    2,542.52x = 9,326,949.83
  5. Step 5: Solve for x
    x = 9,326,949.83/2,542.52
  6. Step 6: Final answer
    x = 3,668.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.