Home / 3,103.62-4,657.29-1,789.03

Finding the Fourth Proportional to 3,103.62, 4,657.29 and 1,789.03

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Solution

The fourth proportional to 3,103.62, 4,657.29 and 1,789.03 is: 2,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.62 : 4,657.29 = 1,789.03 : x
  2. Step 2: Convert to fraction form
    3,103.62/4,657.29 = 1,789.03/x
  3. Step 3: Cross multiply
    3,103.62x = 4,657.29 × 1,789.03
  4. Step 4: Simplify right side
    3,103.62x = 8,332,031.53
  5. Step 5: Solve for x
    x = 8,332,031.53/3,103.62
  6. Step 6: Final answer
    x = 2,684.62

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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.