Home / 2,371.05-3,556.68-727.59

Finding the Fourth Proportional to 2,371.05, 3,556.68 and 727.59

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Solution

The fourth proportional to 2,371.05, 3,556.68 and 727.59 is: 1,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.05 : 3,556.68 = 727.59 : x
  2. Step 2: Convert to fraction form
    2,371.05/3,556.68 = 727.59/x
  3. Step 3: Cross multiply
    2,371.05x = 3,556.68 × 727.59
  4. Step 4: Simplify right side
    2,371.05x = 2,587,804.80
  5. Step 5: Solve for x
    x = 2,587,804.80/2,371.05
  6. Step 6: Final answer
    x = 1,091.42

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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.