Home / 3,721-5,136.24-2,604.27

Finding the Fourth Proportional to 3,721, 5,136.24 and 2,604.27

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Solution

The fourth proportional to 3,721, 5,136.24 and 2,604.27 is: 3,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721 : 5,136.24 = 2,604.27 : x
  2. Step 2: Convert to fraction form
    3,721/5,136.24 = 2,604.27/x
  3. Step 3: Cross multiply
    3,721x = 5,136.24 × 2,604.27
  4. Step 4: Simplify right side
    3,721x = 13,376,155.74
  5. Step 5: Solve for x
    x = 13,376,155.74/3,721
  6. Step 6: Final answer
    x = 3,594.77

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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.