Home / 1,789.26-2,467.94-1,729.05

Finding the Fourth Proportional to 1,789.26, 2,467.94 and 1,729.05

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Solution

The fourth proportional to 1,789.26, 2,467.94 and 1,729.05 is: 2,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.26 : 2,467.94 = 1,729.05 : x
  2. Step 2: Convert to fraction form
    1,789.26/2,467.94 = 1,729.05/x
  3. Step 3: Cross multiply
    1,789.26x = 2,467.94 × 1,729.05
  4. Step 4: Simplify right side
    1,789.26x = 4,267,183.01
  5. Step 5: Solve for x
    x = 4,267,183.01/1,789.26
  6. Step 6: Final answer
    x = 2,384.89

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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.