Home / 2,930.91-4,044.48-1,671.79

Finding the Fourth Proportional to 2,930.91, 4,044.48 and 1,671.79

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Solution

The fourth proportional to 2,930.91, 4,044.48 and 1,671.79 is: 2,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.91 : 4,044.48 = 1,671.79 : x
  2. Step 2: Convert to fraction form
    2,930.91/4,044.48 = 1,671.79/x
  3. Step 3: Cross multiply
    2,930.91x = 4,044.48 × 1,671.79
  4. Step 4: Simplify right side
    2,930.91x = 6,761,521.22
  5. Step 5: Solve for x
    x = 6,761,521.22/2,930.91
  6. Step 6: Final answer
    x = 2,306.97

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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.