Home / 2,786.22-4,179.74-1,556.24

Finding the Fourth Proportional to 2,786.22, 4,179.74 and 1,556.24

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Solution

The fourth proportional to 2,786.22, 4,179.74 and 1,556.24 is: 2,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.22 : 4,179.74 = 1,556.24 : x
  2. Step 2: Convert to fraction form
    2,786.22/4,179.74 = 1,556.24/x
  3. Step 3: Cross multiply
    2,786.22x = 4,179.74 × 1,556.24
  4. Step 4: Simplify right side
    2,786.22x = 6,504,649.90
  5. Step 5: Solve for x
    x = 6,504,649.90/2,786.22
  6. Step 6: Final answer
    x = 2,334.58

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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.