Home / 3,858.98-5,791.40-2,542.29

Finding the Fourth Proportional to 3,858.98, 5,791.40 and 2,542.29

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Solution

The fourth proportional to 3,858.98, 5,791.40 and 2,542.29 is: 3,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.98 : 5,791.40 = 2,542.29 : x
  2. Step 2: Convert to fraction form
    3,858.98/5,791.40 = 2,542.29/x
  3. Step 3: Cross multiply
    3,858.98x = 5,791.40 × 2,542.29
  4. Step 4: Simplify right side
    3,858.98x = 14,723,389.35
  5. Step 5: Solve for x
    x = 14,723,389.35/3,858.98
  6. Step 6: Final answer
    x = 3,815.36

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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.