Home / 3,129.39-4,690.71-2,034.54

Finding the Fourth Proportional to 3,129.39, 4,690.71 and 2,034.54

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Solution

The fourth proportional to 3,129.39, 4,690.71 and 2,034.54 is: 3,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.39 : 4,690.71 = 2,034.54 : x
  2. Step 2: Convert to fraction form
    3,129.39/4,690.71 = 2,034.54/x
  3. Step 3: Cross multiply
    3,129.39x = 4,690.71 × 2,034.54
  4. Step 4: Simplify right side
    3,129.39x = 9,543,437.12
  5. Step 5: Solve for x
    x = 9,543,437.12/3,129.39
  6. Step 6: Final answer
    x = 3,049.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.