Home / 3,488.85-4,814.07-2,231.03

Finding the Fourth Proportional to 3,488.85, 4,814.07 and 2,231.03

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Solution

The fourth proportional to 3,488.85, 4,814.07 and 2,231.03 is: 3,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.85 : 4,814.07 = 2,231.03 : x
  2. Step 2: Convert to fraction form
    3,488.85/4,814.07 = 2,231.03/x
  3. Step 3: Cross multiply
    3,488.85x = 4,814.07 × 2,231.03
  4. Step 4: Simplify right side
    3,488.85x = 10,740,310.52
  5. Step 5: Solve for x
    x = 10,740,310.52/3,488.85
  6. Step 6: Final answer
    x = 3,078.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.