Home / 3,578.85-5,360.92-2,114.44

Finding the Fourth Proportional to 3,578.85, 5,360.92 and 2,114.44

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Solution

The fourth proportional to 3,578.85, 5,360.92 and 2,114.44 is: 3,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.85 : 5,360.92 = 2,114.44 : x
  2. Step 2: Convert to fraction form
    3,578.85/5,360.92 = 2,114.44/x
  3. Step 3: Cross multiply
    3,578.85x = 5,360.92 × 2,114.44
  4. Step 4: Simplify right side
    3,578.85x = 11,335,325.00
  5. Step 5: Solve for x
    x = 11,335,325.00/3,578.85
  6. Step 6: Final answer
    x = 3,167.31

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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.