Home / 2,680.98-4,022.82-1,512.29

Finding the Fourth Proportional to 2,680.98, 4,022.82 and 1,512.29

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Solution

The fourth proportional to 2,680.98, 4,022.82 and 1,512.29 is: 2,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.98 : 4,022.82 = 1,512.29 : x
  2. Step 2: Convert to fraction form
    2,680.98/4,022.82 = 1,512.29/x
  3. Step 3: Cross multiply
    2,680.98x = 4,022.82 × 1,512.29
  4. Step 4: Simplify right side
    2,680.98x = 6,083,650.34
  5. Step 5: Solve for x
    x = 6,083,650.34/2,680.98
  6. Step 6: Final answer
    x = 2,269.19

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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.