Home / 3,843.28-5,301.80-3,136.08

Finding the Fourth Proportional to 3,843.28, 5,301.80 and 3,136.08

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Solution

The fourth proportional to 3,843.28, 5,301.80 and 3,136.08 is: 4,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.28 : 5,301.80 = 3,136.08 : x
  2. Step 2: Convert to fraction form
    3,843.28/5,301.80 = 3,136.08/x
  3. Step 3: Cross multiply
    3,843.28x = 5,301.80 × 3,136.08
  4. Step 4: Simplify right side
    3,843.28x = 16,626,868.94
  5. Step 5: Solve for x
    x = 16,626,868.94/3,843.28
  6. Step 6: Final answer
    x = 4,326.22

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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.