Home / 3,722.19-5,136.72-2,043.71

Finding the Fourth Proportional to 3,722.19, 5,136.72 and 2,043.71

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Solution

The fourth proportional to 3,722.19, 5,136.72 and 2,043.71 is: 2,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.19 : 5,136.72 = 2,043.71 : x
  2. Step 2: Convert to fraction form
    3,722.19/5,136.72 = 2,043.71/x
  3. Step 3: Cross multiply
    3,722.19x = 5,136.72 × 2,043.71
  4. Step 4: Simplify right side
    3,722.19x = 10,497,940.35
  5. Step 5: Solve for x
    x = 10,497,940.35/3,722.19
  6. Step 6: Final answer
    x = 2,820.37

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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.