Home / 3,458.50-5,187.87-1,149.94

Finding the Fourth Proportional to 3,458.50, 5,187.87 and 1,149.94

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Solution

The fourth proportional to 3,458.50, 5,187.87 and 1,149.94 is: 1,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.50 : 5,187.87 = 1,149.94 : x
  2. Step 2: Convert to fraction form
    3,458.50/5,187.87 = 1,149.94/x
  3. Step 3: Cross multiply
    3,458.50x = 5,187.87 × 1,149.94
  4. Step 4: Simplify right side
    3,458.50x = 5,965,739.23
  5. Step 5: Solve for x
    x = 5,965,739.23/3,458.50
  6. Step 6: Final answer
    x = 1,724.95

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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.