Home / 3,722.25-5,136.62-2,150.35

Finding the Fourth Proportional to 3,722.25, 5,136.62 and 2,150.35

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Solution

The fourth proportional to 3,722.25, 5,136.62 and 2,150.35 is: 2,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.25 : 5,136.62 = 2,150.35 : x
  2. Step 2: Convert to fraction form
    3,722.25/5,136.62 = 2,150.35/x
  3. Step 3: Cross multiply
    3,722.25x = 5,136.62 × 2,150.35
  4. Step 4: Simplify right side
    3,722.25x = 11,045,507.22
  5. Step 5: Solve for x
    x = 11,045,507.22/3,722.25
  6. Step 6: Final answer
    x = 2,967.42

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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.