Home / 2,021.18-3,032.30-634.46

Finding the Fourth Proportional to 2,021.18, 3,032.30 and 634.46

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Solution

The fourth proportional to 2,021.18, 3,032.30 and 634.46 is: 951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.18 : 3,032.30 = 634.46 : x
  2. Step 2: Convert to fraction form
    2,021.18/3,032.30 = 634.46/x
  3. Step 3: Cross multiply
    2,021.18x = 3,032.30 × 634.46
  4. Step 4: Simplify right side
    2,021.18x = 1,923,873.06
  5. Step 5: Solve for x
    x = 1,923,873.06/2,021.18
  6. Step 6: Final answer
    x = 951.86

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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.