Home / 3,404.22-5,104.14-1,431.12

Finding the Fourth Proportional to 3,404.22, 5,104.14 and 1,431.12

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Solution

The fourth proportional to 3,404.22, 5,104.14 and 1,431.12 is: 2,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.22 : 5,104.14 = 1,431.12 : x
  2. Step 2: Convert to fraction form
    3,404.22/5,104.14 = 1,431.12/x
  3. Step 3: Cross multiply
    3,404.22x = 5,104.14 × 1,431.12
  4. Step 4: Simplify right side
    3,404.22x = 7,304,636.84
  5. Step 5: Solve for x
    x = 7,304,636.84/3,404.22
  6. Step 6: Final answer
    x = 2,145.76

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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.