Home / 3,082.06-4,644.52-2,789.65

Finding the Fourth Proportional to 3,082.06, 4,644.52 and 2,789.65

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Solution

The fourth proportional to 3,082.06, 4,644.52 and 2,789.65 is: 4,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.06 : 4,644.52 = 2,789.65 : x
  2. Step 2: Convert to fraction form
    3,082.06/4,644.52 = 2,789.65/x
  3. Step 3: Cross multiply
    3,082.06x = 4,644.52 × 2,789.65
  4. Step 4: Simplify right side
    3,082.06x = 12,956,585.22
  5. Step 5: Solve for x
    x = 12,956,585.22/3,082.06
  6. Step 6: Final answer
    x = 4,203.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.