Home / 1,822.24-2,514.80-1,379.44

Finding the Fourth Proportional to 1,822.24, 2,514.80 and 1,379.44

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Solution

The fourth proportional to 1,822.24, 2,514.80 and 1,379.44 is: 1,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.24 : 2,514.80 = 1,379.44 : x
  2. Step 2: Convert to fraction form
    1,822.24/2,514.80 = 1,379.44/x
  3. Step 3: Cross multiply
    1,822.24x = 2,514.80 × 1,379.44
  4. Step 4: Simplify right side
    1,822.24x = 3,469,015.71
  5. Step 5: Solve for x
    x = 3,469,015.71/1,822.24
  6. Step 6: Final answer
    x = 1,903.71

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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.