Home / 2,207.26-3,308.60-745.92

Finding the Fourth Proportional to 2,207.26, 3,308.60 and 745.92

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Solution

The fourth proportional to 2,207.26, 3,308.60 and 745.92 is: 1,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.26 : 3,308.60 = 745.92 : x
  2. Step 2: Convert to fraction form
    2,207.26/3,308.60 = 745.92/x
  3. Step 3: Cross multiply
    2,207.26x = 3,308.60 × 745.92
  4. Step 4: Simplify right side
    2,207.26x = 2,467,950.91
  5. Step 5: Solve for x
    x = 2,467,950.91/2,207.26
  6. Step 6: Final answer
    x = 1,118.11

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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.