Home / 3,721.26-5,136.54-2,676.36

Finding the Fourth Proportional to 3,721.26, 5,136.54 and 2,676.36

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Solution

The fourth proportional to 3,721.26, 5,136.54 and 2,676.36 is: 3,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.26 : 5,136.54 = 2,676.36 : x
  2. Step 2: Convert to fraction form
    3,721.26/5,136.54 = 2,676.36/x
  3. Step 3: Cross multiply
    3,721.26x = 5,136.54 × 2,676.36
  4. Step 4: Simplify right side
    3,721.26x = 13,747,230.19
  5. Step 5: Solve for x
    x = 13,747,230.19/3,721.26
  6. Step 6: Final answer
    x = 3,694.24

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1.5x scale

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.