Home / 3,458.70-5,183.15-1,974.87

Finding the Fourth Proportional to 3,458.70, 5,183.15 and 1,974.87

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Solution

The fourth proportional to 3,458.70, 5,183.15 and 1,974.87 is: 2,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.70 : 5,183.15 = 1,974.87 : x
  2. Step 2: Convert to fraction form
    3,458.70/5,183.15 = 1,974.87/x
  3. Step 3: Cross multiply
    3,458.70x = 5,183.15 × 1,974.87
  4. Step 4: Simplify right side
    3,458.70x = 10,236,037.57
  5. Step 5: Solve for x
    x = 10,236,037.57/3,458.70
  6. Step 6: Final answer
    x = 2,959.50

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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.