Home / 2,958.36-4,082.24-1,631.72

Finding the Fourth Proportional to 2,958.36, 4,082.24 and 1,631.72

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Solution

The fourth proportional to 2,958.36, 4,082.24 and 1,631.72 is: 2,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.36 : 4,082.24 = 1,631.72 : x
  2. Step 2: Convert to fraction form
    2,958.36/4,082.24 = 1,631.72/x
  3. Step 3: Cross multiply
    2,958.36x = 4,082.24 × 1,631.72
  4. Step 4: Simplify right side
    2,958.36x = 6,661,072.65
  5. Step 5: Solve for x
    x = 6,661,072.65/2,958.36
  6. Step 6: Final answer
    x = 2,251.61

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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.