Home / 2,021.88-3,034.10-1,329.94

Finding the Fourth Proportional to 2,021.88, 3,034.10 and 1,329.94

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Solution

The fourth proportional to 2,021.88, 3,034.10 and 1,329.94 is: 1,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.88 : 3,034.10 = 1,329.94 : x
  2. Step 2: Convert to fraction form
    2,021.88/3,034.10 = 1,329.94/x
  3. Step 3: Cross multiply
    2,021.88x = 3,034.10 × 1,329.94
  4. Step 4: Simplify right side
    2,021.88x = 4,035,170.95
  5. Step 5: Solve for x
    x = 4,035,170.95/2,021.88
  6. Step 6: Final answer
    x = 1,995.75

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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.