Home / 3,551.54-5,327.92-1,086.30

Finding the Fourth Proportional to 3,551.54, 5,327.92 and 1,086.30

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Solution

The fourth proportional to 3,551.54, 5,327.92 and 1,086.30 is: 1,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.54 : 5,327.92 = 1,086.30 : x
  2. Step 2: Convert to fraction form
    3,551.54/5,327.92 = 1,086.30/x
  3. Step 3: Cross multiply
    3,551.54x = 5,327.92 × 1,086.30
  4. Step 4: Simplify right side
    3,551.54x = 5,787,719.50
  5. Step 5: Solve for x
    x = 5,787,719.50/3,551.54
  6. Step 6: Final answer
    x = 1,629.64

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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.