Home / 1,732.69-2,391.68-1,379.26

Finding the Fourth Proportional to 1,732.69, 2,391.68 and 1,379.26

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Solution

The fourth proportional to 1,732.69, 2,391.68 and 1,379.26 is: 1,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.69 : 2,391.68 = 1,379.26 : x
  2. Step 2: Convert to fraction form
    1,732.69/2,391.68 = 1,379.26/x
  3. Step 3: Cross multiply
    1,732.69x = 2,391.68 × 1,379.26
  4. Step 4: Simplify right side
    1,732.69x = 3,298,729.70
  5. Step 5: Solve for x
    x = 3,298,729.70/1,732.69
  6. Step 6: Final answer
    x = 1,903.83

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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.