Home / 3,453.05-5,179.59-1,260.92

Finding the Fourth Proportional to 3,453.05, 5,179.59 and 1,260.92

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Solution

The fourth proportional to 3,453.05, 5,179.59 and 1,260.92 is: 1,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.05 : 5,179.59 = 1,260.92 : x
  2. Step 2: Convert to fraction form
    3,453.05/5,179.59 = 1,260.92/x
  3. Step 3: Cross multiply
    3,453.05x = 5,179.59 × 1,260.92
  4. Step 4: Simplify right side
    3,453.05x = 6,531,022.72
  5. Step 5: Solve for x
    x = 6,531,022.72/3,453.05
  6. Step 6: Final answer
    x = 1,891.38

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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.