Home / 3,082.32-4,620.24-1,621.08

Finding the Fourth Proportional to 3,082.32, 4,620.24 and 1,621.08

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Solution

The fourth proportional to 3,082.32, 4,620.24 and 1,621.08 is: 2,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.32 : 4,620.24 = 1,621.08 : x
  2. Step 2: Convert to fraction form
    3,082.32/4,620.24 = 1,621.08/x
  3. Step 3: Cross multiply
    3,082.32x = 4,620.24 × 1,621.08
  4. Step 4: Simplify right side
    3,082.32x = 7,489,778.66
  5. Step 5: Solve for x
    x = 7,489,778.66/3,082.32
  6. Step 6: Final answer
    x = 2,429.92

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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.