Home / 2,207.04-3,310.86-745.80

Finding the Fourth Proportional to 2,207.04, 3,310.86 and 745.80

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Solution

The fourth proportional to 2,207.04, 3,310.86 and 745.80 is: 1,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.04 : 3,310.86 = 745.80 : x
  2. Step 2: Convert to fraction form
    2,207.04/3,310.86 = 745.80/x
  3. Step 3: Cross multiply
    2,207.04x = 3,310.86 × 745.80
  4. Step 4: Simplify right side
    2,207.04x = 2,469,239.39
  5. Step 5: Solve for x
    x = 2,469,239.39/2,207.04
  6. Step 6: Final answer
    x = 1,118.80

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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.