Home / 3,552.21-5,327.28-1,086.48

Finding the Fourth Proportional to 3,552.21, 5,327.28 and 1,086.48

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Solution

The fourth proportional to 3,552.21, 5,327.28 and 1,086.48 is: 1,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.21 : 5,327.28 = 1,086.48 : x
  2. Step 2: Convert to fraction form
    3,552.21/5,327.28 = 1,086.48/x
  3. Step 3: Cross multiply
    3,552.21x = 5,327.28 × 1,086.48
  4. Step 4: Simplify right side
    3,552.21x = 5,787,983.17
  5. Step 5: Solve for x
    x = 5,787,983.17/3,552.21
  6. Step 6: Final answer
    x = 1,629.40

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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.