Home / 3,448.12-5,169.66-1,106.79

Finding the Fourth Proportional to 3,448.12, 5,169.66 and 1,106.79

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Solution

The fourth proportional to 3,448.12, 5,169.66 and 1,106.79 is: 1,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.12 : 5,169.66 = 1,106.79 : x
  2. Step 2: Convert to fraction form
    3,448.12/5,169.66 = 1,106.79/x
  3. Step 3: Cross multiply
    3,448.12x = 5,169.66 × 1,106.79
  4. Step 4: Simplify right side
    3,448.12x = 5,721,727.99
  5. Step 5: Solve for x
    x = 5,721,727.99/3,448.12
  6. Step 6: Final answer
    x = 1,659.38

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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.