Home / 2,206.20-3,308.10-744.60

Finding the Fourth Proportional to 2,206.20, 3,308.10 and 744.60

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Solution

The fourth proportional to 2,206.20, 3,308.10 and 744.60 is: 1,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.20 : 3,308.10 = 744.60 : x
  2. Step 2: Convert to fraction form
    2,206.20/3,308.10 = 744.60/x
  3. Step 3: Cross multiply
    2,206.20x = 3,308.10 × 744.60
  4. Step 4: Simplify right side
    2,206.20x = 2,463,211.26
  5. Step 5: Solve for x
    x = 2,463,211.26/2,206.20
  6. Step 6: Final answer
    x = 1,116.49

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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.