Home / 2,869.88-4,304.92-1,021.18

Finding the Fourth Proportional to 2,869.88, 4,304.92 and 1,021.18

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Solution

The fourth proportional to 2,869.88, 4,304.92 and 1,021.18 is: 1,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.88 : 4,304.92 = 1,021.18 : x
  2. Step 2: Convert to fraction form
    2,869.88/4,304.92 = 1,021.18/x
  3. Step 3: Cross multiply
    2,869.88x = 4,304.92 × 1,021.18
  4. Step 4: Simplify right side
    2,869.88x = 4,396,098.21
  5. Step 5: Solve for x
    x = 4,396,098.21/2,869.88
  6. Step 6: Final answer
    x = 1,531.81

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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.