Home / 3,721.15-5,136.29-2,150.29

Finding the Fourth Proportional to 3,721.15, 5,136.29 and 2,150.29

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Solution

The fourth proportional to 3,721.15, 5,136.29 and 2,150.29 is: 2,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.15 : 5,136.29 = 2,150.29 : x
  2. Step 2: Convert to fraction form
    3,721.15/5,136.29 = 2,150.29/x
  3. Step 3: Cross multiply
    3,721.15x = 5,136.29 × 2,150.29
  4. Step 4: Simplify right side
    3,721.15x = 11,044,513.02
  5. Step 5: Solve for x
    x = 11,044,513.02/3,721.15
  6. Step 6: Final answer
    x = 2,968.04

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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.