Home / 2,756.44-3,803.97-1,561.41

Finding the Fourth Proportional to 2,756.44, 3,803.97 and 1,561.41

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Solution

The fourth proportional to 2,756.44, 3,803.97 and 1,561.41 is: 2,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.44 : 3,803.97 = 1,561.41 : x
  2. Step 2: Convert to fraction form
    2,756.44/3,803.97 = 1,561.41/x
  3. Step 3: Cross multiply
    2,756.44x = 3,803.97 × 1,561.41
  4. Step 4: Simplify right side
    2,756.44x = 5,939,556.80
  5. Step 5: Solve for x
    x = 5,939,556.80/2,756.44
  6. Step 6: Final answer
    x = 2,154.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.