Home / 2,021.73-3,032.81-635.11

Finding the Fourth Proportional to 2,021.73, 3,032.81 and 635.11

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Solution

The fourth proportional to 2,021.73, 3,032.81 and 635.11 is: 952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.73 : 3,032.81 = 635.11 : x
  2. Step 2: Convert to fraction form
    2,021.73/3,032.81 = 635.11/x
  3. Step 3: Cross multiply
    2,021.73x = 3,032.81 × 635.11
  4. Step 4: Simplify right side
    2,021.73x = 1,926,159.58
  5. Step 5: Solve for x
    x = 1,926,159.58/2,021.73
  6. Step 6: Final answer
    x = 952.73

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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.