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Finding the Fourth Proportional to 2,021.97, 3,032.96 and 635.43

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Solution

The fourth proportional to 2,021.97, 3,032.96 and 635.43 is: 953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.97 : 3,032.96 = 635.43 : x
  2. Step 2: Convert to fraction form
    2,021.97/3,032.96 = 635.43/x
  3. Step 3: Cross multiply
    2,021.97x = 3,032.96 × 635.43
  4. Step 4: Simplify right side
    2,021.97x = 1,927,233.77
  5. Step 5: Solve for x
    x = 1,927,233.77/2,021.97
  6. Step 6: Final answer
    x = 953.15

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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.