Home / 2,021.97-3,032.55-635.12

Finding the Fourth Proportional to 2,021.97, 3,032.55 and 635.12

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Solution

The fourth proportional to 2,021.97, 3,032.55 and 635.12 is: 952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.97 : 3,032.55 = 635.12 : x
  2. Step 2: Convert to fraction form
    2,021.97/3,032.55 = 635.12/x
  3. Step 3: Cross multiply
    2,021.97x = 3,032.55 × 635.12
  4. Step 4: Simplify right side
    2,021.97x = 1,926,017.99
  5. Step 5: Solve for x
    x = 1,926,017.99/2,021.97
  6. Step 6: Final answer
    x = 952.55

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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.