Home / 3,817.91-5,726.97-1,354.43

Finding the Fourth Proportional to 3,817.91, 5,726.97 and 1,354.43

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Solution

The fourth proportional to 3,817.91, 5,726.97 and 1,354.43 is: 2,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.91 : 5,726.97 = 1,354.43 : x
  2. Step 2: Convert to fraction form
    3,817.91/5,726.97 = 1,354.43/x
  3. Step 3: Cross multiply
    3,817.91x = 5,726.97 × 1,354.43
  4. Step 4: Simplify right side
    3,817.91x = 7,756,751.34
  5. Step 5: Solve for x
    x = 7,756,751.34/3,817.91
  6. Step 6: Final answer
    x = 2,031.68

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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.