Home / 3,634.74-5,453.73-1,686.69

Finding the Fourth Proportional to 3,634.74, 5,453.73 and 1,686.69

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Solution

The fourth proportional to 3,634.74, 5,453.73 and 1,686.69 is: 2,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.74 : 5,453.73 = 1,686.69 : x
  2. Step 2: Convert to fraction form
    3,634.74/5,453.73 = 1,686.69/x
  3. Step 3: Cross multiply
    3,634.74x = 5,453.73 × 1,686.69
  4. Step 4: Simplify right side
    3,634.74x = 9,198,751.85
  5. Step 5: Solve for x
    x = 9,198,751.85/3,634.74
  6. Step 6: Final answer
    x = 2,530.79

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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.