Home / 3,082.60-4,621.66-2,105.64

Finding the Fourth Proportional to 3,082.60, 4,621.66 and 2,105.64

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Solution

The fourth proportional to 3,082.60, 4,621.66 and 2,105.64 is: 3,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.60 : 4,621.66 = 2,105.64 : x
  2. Step 2: Convert to fraction form
    3,082.60/4,621.66 = 2,105.64/x
  3. Step 3: Cross multiply
    3,082.60x = 4,621.66 × 2,105.64
  4. Step 4: Simplify right side
    3,082.60x = 9,731,552.16
  5. Step 5: Solve for x
    x = 9,731,552.16/3,082.60
  6. Step 6: Final answer
    x = 3,156.93

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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.