Home / 2,154.26-3,226.52-2,105.66

Finding the Fourth Proportional to 2,154.26, 3,226.52 and 2,105.66

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Solution

The fourth proportional to 2,154.26, 3,226.52 and 2,105.66 is: 3,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.26 : 3,226.52 = 2,105.66 : x
  2. Step 2: Convert to fraction form
    2,154.26/3,226.52 = 2,105.66/x
  3. Step 3: Cross multiply
    2,154.26x = 3,226.52 × 2,105.66
  4. Step 4: Simplify right side
    2,154.26x = 6,793,954.10
  5. Step 5: Solve for x
    x = 6,793,954.10/2,154.26
  6. Step 6: Final answer
    x = 3,153.73

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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.