Home / 2,379.97-3,284.48-1,317.73

Finding the Fourth Proportional to 2,379.97, 3,284.48 and 1,317.73

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Solution

The fourth proportional to 2,379.97, 3,284.48 and 1,317.73 is: 1,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.97 : 3,284.48 = 1,317.73 : x
  2. Step 2: Convert to fraction form
    2,379.97/3,284.48 = 1,317.73/x
  3. Step 3: Cross multiply
    2,379.97x = 3,284.48 × 1,317.73
  4. Step 4: Simplify right side
    2,379.97x = 4,328,034.82
  5. Step 5: Solve for x
    x = 4,328,034.82/2,379.97
  6. Step 6: Final answer
    x = 1,818.53

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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.