Home / 2,958.03-4,081.68-1,631.79

Finding the Fourth Proportional to 2,958.03, 4,081.68 and 1,631.79

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Solution

The fourth proportional to 2,958.03, 4,081.68 and 1,631.79 is: 2,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.03 : 4,081.68 = 1,631.79 : x
  2. Step 2: Convert to fraction form
    2,958.03/4,081.68 = 1,631.79/x
  3. Step 3: Cross multiply
    2,958.03x = 4,081.68 × 1,631.79
  4. Step 4: Simplify right side
    2,958.03x = 6,660,444.61
  5. Step 5: Solve for x
    x = 6,660,444.61/2,958.03
  6. Step 6: Final answer
    x = 2,251.65

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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.