Home / 3,722.45-5,137.46-2,150.24

Finding the Fourth Proportional to 3,722.45, 5,137.46 and 2,150.24

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Solution

The fourth proportional to 3,722.45, 5,137.46 and 2,150.24 is: 2,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.45 : 5,137.46 = 2,150.24 : x
  2. Step 2: Convert to fraction form
    3,722.45/5,137.46 = 2,150.24/x
  3. Step 3: Cross multiply
    3,722.45x = 5,137.46 × 2,150.24
  4. Step 4: Simplify right side
    3,722.45x = 11,046,735.55
  5. Step 5: Solve for x
    x = 11,046,735.55/3,722.45
  6. Step 6: Final answer
    x = 2,967.60

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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.