Home / 3,711.80-5,556.76-2,742.23

Finding the Fourth Proportional to 3,711.80, 5,556.76 and 2,742.23

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Solution

The fourth proportional to 3,711.80, 5,556.76 and 2,742.23 is: 4,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.80 : 5,556.76 = 2,742.23 : x
  2. Step 2: Convert to fraction form
    3,711.80/5,556.76 = 2,742.23/x
  3. Step 3: Cross multiply
    3,711.80x = 5,556.76 × 2,742.23
  4. Step 4: Simplify right side
    3,711.80x = 15,237,913.97
  5. Step 5: Solve for x
    x = 15,237,913.97/3,711.80
  6. Step 6: Final answer
    x = 4,105.26

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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.