Home / 2,958.12-4,082.24-1,631.88

Finding the Fourth Proportional to 2,958.12, 4,082.24 and 1,631.88

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Solution

The fourth proportional to 2,958.12, 4,082.24 and 1,631.88 is: 2,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.12 : 4,082.24 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    2,958.12/4,082.24 = 1,631.88/x
  3. Step 3: Cross multiply
    2,958.12x = 4,082.24 × 1,631.88
  4. Step 4: Simplify right side
    2,958.12x = 6,661,725.81
  5. Step 5: Solve for x
    x = 6,661,725.81/2,958.12
  6. Step 6: Final answer
    x = 2,252.01

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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.