Home / 2,284.17-3,426.24-640.73

Finding the Fourth Proportional to 2,284.17, 3,426.24 and 640.73

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Solution

The fourth proportional to 2,284.17, 3,426.24 and 640.73 is: 961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.17 : 3,426.24 = 640.73 : x
  2. Step 2: Convert to fraction form
    2,284.17/3,426.24 = 640.73/x
  3. Step 3: Cross multiply
    2,284.17x = 3,426.24 × 640.73
  4. Step 4: Simplify right side
    2,284.17x = 2,195,277.62
  5. Step 5: Solve for x
    x = 2,195,277.62/2,284.17
  6. Step 6: Final answer
    x = 961.08

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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.