Home / 2,650.49-3,976.08-1,540.43

Finding the Fourth Proportional to 2,650.49, 3,976.08 and 1,540.43

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Solution

The fourth proportional to 2,650.49, 3,976.08 and 1,540.43 is: 2,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.49 : 3,976.08 = 1,540.43 : x
  2. Step 2: Convert to fraction form
    2,650.49/3,976.08 = 1,540.43/x
  3. Step 3: Cross multiply
    2,650.49x = 3,976.08 × 1,540.43
  4. Step 4: Simplify right side
    2,650.49x = 6,124,872.91
  5. Step 5: Solve for x
    x = 6,124,872.91/2,650.49
  6. Step 6: Final answer
    x = 2,310.85

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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.