Home / 2,929.91-4,042.82-1,671.03

Finding the Fourth Proportional to 2,929.91, 4,042.82 and 1,671.03

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Solution

The fourth proportional to 2,929.91, 4,042.82 and 1,671.03 is: 2,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.91 : 4,042.82 = 1,671.03 : x
  2. Step 2: Convert to fraction form
    2,929.91/4,042.82 = 1,671.03/x
  3. Step 3: Cross multiply
    2,929.91x = 4,042.82 × 1,671.03
  4. Step 4: Simplify right side
    2,929.91x = 6,755,665.15
  5. Step 5: Solve for x
    x = 6,755,665.15/2,929.91
  6. Step 6: Final answer
    x = 2,305.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.