Home / 2,302.80-3,451.64-1,379.60

Finding the Fourth Proportional to 2,302.80, 3,451.64 and 1,379.60

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Solution

The fourth proportional to 2,302.80, 3,451.64 and 1,379.60 is: 2,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.80 : 3,451.64 = 1,379.60 : x
  2. Step 2: Convert to fraction form
    2,302.80/3,451.64 = 1,379.60/x
  3. Step 3: Cross multiply
    2,302.80x = 3,451.64 × 1,379.60
  4. Step 4: Simplify right side
    2,302.80x = 4,761,882.54
  5. Step 5: Solve for x
    x = 4,761,882.54/2,302.80
  6. Step 6: Final answer
    x = 2,067.87

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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.