Home / 3,400.35-5,100.48-1,091.85

Finding the Fourth Proportional to 3,400.35, 5,100.48 and 1,091.85

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Solution

The fourth proportional to 3,400.35, 5,100.48 and 1,091.85 is: 1,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.35 : 5,100.48 = 1,091.85 : x
  2. Step 2: Convert to fraction form
    3,400.35/5,100.48 = 1,091.85/x
  3. Step 3: Cross multiply
    3,400.35x = 5,100.48 × 1,091.85
  4. Step 4: Simplify right side
    3,400.35x = 5,568,959.09
  5. Step 5: Solve for x
    x = 5,568,959.09/3,400.35
  6. Step 6: Final answer
    x = 1,637.76

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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.