Home / 3,551.22-5,327.04-1,086.21

Finding the Fourth Proportional to 3,551.22, 5,327.04 and 1,086.21

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Solution

The fourth proportional to 3,551.22, 5,327.04 and 1,086.21 is: 1,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.22 : 5,327.04 = 1,086.21 : x
  2. Step 2: Convert to fraction form
    3,551.22/5,327.04 = 1,086.21/x
  3. Step 3: Cross multiply
    3,551.22x = 5,327.04 × 1,086.21
  4. Step 4: Simplify right side
    3,551.22x = 5,786,284.12
  5. Step 5: Solve for x
    x = 5,786,284.12/3,551.22
  6. Step 6: Final answer
    x = 1,629.38

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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.