Home / 2,542.15-3,809.94-2,048.79

Finding the Fourth Proportional to 2,542.15, 3,809.94 and 2,048.79

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Solution

The fourth proportional to 2,542.15, 3,809.94 and 2,048.79 is: 3,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.15 : 3,809.94 = 2,048.79 : x
  2. Step 2: Convert to fraction form
    2,542.15/3,809.94 = 2,048.79/x
  3. Step 3: Cross multiply
    2,542.15x = 3,809.94 × 2,048.79
  4. Step 4: Simplify right side
    2,542.15x = 7,805,766.97
  5. Step 5: Solve for x
    x = 7,805,766.97/2,542.15
  6. Step 6: Final answer
    x = 3,070.54

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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.