Home / 3,467.22-5,199.14-1,986.22

Finding the Fourth Proportional to 3,467.22, 5,199.14 and 1,986.22

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Solution

The fourth proportional to 3,467.22, 5,199.14 and 1,986.22 is: 2,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.22 : 5,199.14 = 1,986.22 : x
  2. Step 2: Convert to fraction form
    3,467.22/5,199.14 = 1,986.22/x
  3. Step 3: Cross multiply
    3,467.22x = 5,199.14 × 1,986.22
  4. Step 4: Simplify right side
    3,467.22x = 10,326,635.85
  5. Step 5: Solve for x
    x = 10,326,635.85/3,467.22
  6. Step 6: Final answer
    x = 2,978.36

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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.