Home / 2,869.53-4,304.39-1,020.80

Finding the Fourth Proportional to 2,869.53, 4,304.39 and 1,020.80

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Solution

The fourth proportional to 2,869.53, 4,304.39 and 1,020.80 is: 1,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.53 : 4,304.39 = 1,020.80 : x
  2. Step 2: Convert to fraction form
    2,869.53/4,304.39 = 1,020.80/x
  3. Step 3: Cross multiply
    2,869.53x = 4,304.39 × 1,020.80
  4. Step 4: Simplify right side
    2,869.53x = 4,393,921.31
  5. Step 5: Solve for x
    x = 4,393,921.31/2,869.53
  6. Step 6: Final answer
    x = 1,531.23

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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.