Home / 3,458.25-5,187.42-1,149.75

Finding the Fourth Proportional to 3,458.25, 5,187.42 and 1,149.75

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Solution

The fourth proportional to 3,458.25, 5,187.42 and 1,149.75 is: 1,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.25 : 5,187.42 = 1,149.75 : x
  2. Step 2: Convert to fraction form
    3,458.25/5,187.42 = 1,149.75/x
  3. Step 3: Cross multiply
    3,458.25x = 5,187.42 × 1,149.75
  4. Step 4: Simplify right side
    3,458.25x = 5,964,236.15
  5. Step 5: Solve for x
    x = 5,964,236.15/3,458.25
  6. Step 6: Final answer
    x = 1,724.64

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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.