Home / 3,634.31-5,453.27-1,686.17

Finding the Fourth Proportional to 3,634.31, 5,453.27 and 1,686.17

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Solution

The fourth proportional to 3,634.31, 5,453.27 and 1,686.17 is: 2,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.31 : 5,453.27 = 1,686.17 : x
  2. Step 2: Convert to fraction form
    3,634.31/5,453.27 = 1,686.17/x
  3. Step 3: Cross multiply
    3,634.31x = 5,453.27 × 1,686.17
  4. Step 4: Simplify right side
    3,634.31x = 9,195,104.58
  5. Step 5: Solve for x
    x = 9,195,104.58/3,634.31
  6. Step 6: Final answer
    x = 2,530.09

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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.