Home / 3,721.37-5,136.07-2,229.77

Finding the Fourth Proportional to 3,721.37, 5,136.07 and 2,229.77

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Solution

The fourth proportional to 3,721.37, 5,136.07 and 2,229.77 is: 3,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.37 : 5,136.07 = 2,229.77 : x
  2. Step 2: Convert to fraction form
    3,721.37/5,136.07 = 2,229.77/x
  3. Step 3: Cross multiply
    3,721.37x = 5,136.07 × 2,229.77
  4. Step 4: Simplify right side
    3,721.37x = 11,452,262.07
  5. Step 5: Solve for x
    x = 11,452,262.07/3,721.37
  6. Step 6: Final answer
    x = 3,077.44

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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.