Home / 3,571.26-5,357.54-1,105.91

Finding the Fourth Proportional to 3,571.26, 5,357.54 and 1,105.91

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Solution

The fourth proportional to 3,571.26, 5,357.54 and 1,105.91 is: 1,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.26 : 5,357.54 = 1,105.91 : x
  2. Step 2: Convert to fraction form
    3,571.26/5,357.54 = 1,105.91/x
  3. Step 3: Cross multiply
    3,571.26x = 5,357.54 × 1,105.91
  4. Step 4: Simplify right side
    3,571.26x = 5,924,955.68
  5. Step 5: Solve for x
    x = 5,924,955.68/3,571.26
  6. Step 6: Final answer
    x = 1,659.07

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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.