Home / 3,402.91-4,695.97-1,910.79

Finding the Fourth Proportional to 3,402.91, 4,695.97 and 1,910.79

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Solution

The fourth proportional to 3,402.91, 4,695.97 and 1,910.79 is: 2,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.91 : 4,695.97 = 1,910.79 : x
  2. Step 2: Convert to fraction form
    3,402.91/4,695.97 = 1,910.79/x
  3. Step 3: Cross multiply
    3,402.91x = 4,695.97 × 1,910.79
  4. Step 4: Simplify right side
    3,402.91x = 8,973,012.52
  5. Step 5: Solve for x
    x = 8,973,012.52/3,402.91
  6. Step 6: Final answer
    x = 2,636.86

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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.