Home / 2,021.04-3,031.66-634.52

Finding the Fourth Proportional to 2,021.04, 3,031.66 and 634.52

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Solution

The fourth proportional to 2,021.04, 3,031.66 and 634.52 is: 951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.04 : 3,031.66 = 634.52 : x
  2. Step 2: Convert to fraction form
    2,021.04/3,031.66 = 634.52/x
  3. Step 3: Cross multiply
    2,021.04x = 3,031.66 × 634.52
  4. Step 4: Simplify right side
    2,021.04x = 1,923,648.90
  5. Step 5: Solve for x
    x = 1,923,648.90/2,021.04
  6. Step 6: Final answer
    x = 951.81

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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.