Home / 3,404.12-5,104.91-1,212.39

Finding the Fourth Proportional to 3,404.12, 5,104.91 and 1,212.39

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Solution

The fourth proportional to 3,404.12, 5,104.91 and 1,212.39 is: 1,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.12 : 5,104.91 = 1,212.39 : x
  2. Step 2: Convert to fraction form
    3,404.12/5,104.91 = 1,212.39/x
  3. Step 3: Cross multiply
    3,404.12x = 5,104.91 × 1,212.39
  4. Step 4: Simplify right side
    3,404.12x = 6,189,135.77
  5. Step 5: Solve for x
    x = 6,189,135.77/3,404.12
  6. Step 6: Final answer
    x = 1,818.13

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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.