Home / 3,464.03-5,198.33-1,272.78

Finding the Fourth Proportional to 3,464.03, 5,198.33 and 1,272.78

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Solution

The fourth proportional to 3,464.03, 5,198.33 and 1,272.78 is: 1,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.03 : 5,198.33 = 1,272.78 : x
  2. Step 2: Convert to fraction form
    3,464.03/5,198.33 = 1,272.78/x
  3. Step 3: Cross multiply
    3,464.03x = 5,198.33 × 1,272.78
  4. Step 4: Simplify right side
    3,464.03x = 6,616,324.09
  5. Step 5: Solve for x
    x = 6,616,324.09/3,464.03
  6. Step 6: Final answer
    x = 1,910.01

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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.