Home / 2,682.90-4,020.03-2,132.10

Finding the Fourth Proportional to 2,682.90, 4,020.03 and 2,132.10

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Solution

The fourth proportional to 2,682.90, 4,020.03 and 2,132.10 is: 3,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.90 : 4,020.03 = 2,132.10 : x
  2. Step 2: Convert to fraction form
    2,682.90/4,020.03 = 2,132.10/x
  3. Step 3: Cross multiply
    2,682.90x = 4,020.03 × 2,132.10
  4. Step 4: Simplify right side
    2,682.90x = 8,571,105.96
  5. Step 5: Solve for x
    x = 8,571,105.96/2,682.90
  6. Step 6: Final answer
    x = 3,194.72

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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.