Home / 3,105.14-4,658.52-1,789.70

Finding the Fourth Proportional to 3,105.14, 4,658.52 and 1,789.70

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Solution

The fourth proportional to 3,105.14, 4,658.52 and 1,789.70 is: 2,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.14 : 4,658.52 = 1,789.70 : x
  2. Step 2: Convert to fraction form
    3,105.14/4,658.52 = 1,789.70/x
  3. Step 3: Cross multiply
    3,105.14x = 4,658.52 × 1,789.70
  4. Step 4: Simplify right side
    3,105.14x = 8,337,353.24
  5. Step 5: Solve for x
    x = 8,337,353.24/3,105.14
  6. Step 6: Final answer
    x = 2,685.02

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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.