Home / 3,621.87-5,449.32-2,162.16

Finding the Fourth Proportional to 3,621.87, 5,449.32 and 2,162.16

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Solution

The fourth proportional to 3,621.87, 5,449.32 and 2,162.16 is: 3,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.87 : 5,449.32 = 2,162.16 : x
  2. Step 2: Convert to fraction form
    3,621.87/5,449.32 = 2,162.16/x
  3. Step 3: Cross multiply
    3,621.87x = 5,449.32 × 2,162.16
  4. Step 4: Simplify right side
    3,621.87x = 11,782,301.73
  5. Step 5: Solve for x
    x = 11,782,301.73/3,621.87
  6. Step 6: Final answer
    x = 3,253.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.