Home / 2,958.13-4,082.13-1,631.76

Finding the Fourth Proportional to 2,958.13, 4,082.13 and 1,631.76

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Solution

The fourth proportional to 2,958.13, 4,082.13 and 1,631.76 is: 2,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.13 : 4,082.13 = 1,631.76 : x
  2. Step 2: Convert to fraction form
    2,958.13/4,082.13 = 1,631.76/x
  3. Step 3: Cross multiply
    2,958.13x = 4,082.13 × 1,631.76
  4. Step 4: Simplify right side
    2,958.13x = 6,661,056.45
  5. Step 5: Solve for x
    x = 6,661,056.45/2,958.13
  6. Step 6: Final answer
    x = 2,251.78

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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.