Home / 3,465.61-5,198.42-1,273.39

Finding the Fourth Proportional to 3,465.61, 5,198.42 and 1,273.39

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Solution

The fourth proportional to 3,465.61, 5,198.42 and 1,273.39 is: 1,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.61 : 5,198.42 = 1,273.39 : x
  2. Step 2: Convert to fraction form
    3,465.61/5,198.42 = 1,273.39/x
  3. Step 3: Cross multiply
    3,465.61x = 5,198.42 × 1,273.39
  4. Step 4: Simplify right side
    3,465.61x = 6,619,616.04
  5. Step 5: Solve for x
    x = 6,619,616.04/3,465.61
  6. Step 6: Final answer
    x = 1,910.09

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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.