Home / 3,404.97-5,104.66-1,212.45

Finding the Fourth Proportional to 3,404.97, 5,104.66 and 1,212.45

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Solution

The fourth proportional to 3,404.97, 5,104.66 and 1,212.45 is: 1,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.97 : 5,104.66 = 1,212.45 : x
  2. Step 2: Convert to fraction form
    3,404.97/5,104.66 = 1,212.45/x
  3. Step 3: Cross multiply
    3,404.97x = 5,104.66 × 1,212.45
  4. Step 4: Simplify right side
    3,404.97x = 6,189,145.02
  5. Step 5: Solve for x
    x = 6,189,145.02/3,404.97
  6. Step 6: Final answer
    x = 1,817.68

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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.