Home / 1,747.22-2,620.82-448.69

Finding the Fourth Proportional to 1,747.22, 2,620.82 and 448.69

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Solution

The fourth proportional to 1,747.22, 2,620.82 and 448.69 is: 673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.22 : 2,620.82 = 448.69 : x
  2. Step 2: Convert to fraction form
    1,747.22/2,620.82 = 448.69/x
  3. Step 3: Cross multiply
    1,747.22x = 2,620.82 × 448.69
  4. Step 4: Simplify right side
    1,747.22x = 1,175,930.30
  5. Step 5: Solve for x
    x = 1,175,930.30/1,747.22
  6. Step 6: Final answer
    x = 673.03

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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.