Home / 3,512.03-5,267.61-2,195.90

Finding the Fourth Proportional to 3,512.03, 5,267.61 and 2,195.90

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Solution

The fourth proportional to 3,512.03, 5,267.61 and 2,195.90 is: 3,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.03 : 5,267.61 = 2,195.90 : x
  2. Step 2: Convert to fraction form
    3,512.03/5,267.61 = 2,195.90/x
  3. Step 3: Cross multiply
    3,512.03x = 5,267.61 × 2,195.90
  4. Step 4: Simplify right side
    3,512.03x = 11,567,144.80
  5. Step 5: Solve for x
    x = 11,567,144.80/3,512.03
  6. Step 6: Final answer
    x = 3,293.58

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1.5x scale

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.