Home / 1,822.44-2,518.48-1,379.56

Finding the Fourth Proportional to 1,822.44, 2,518.48 and 1,379.56

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Solution

The fourth proportional to 1,822.44, 2,518.48 and 1,379.56 is: 1,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.44 : 2,518.48 = 1,379.56 : x
  2. Step 2: Convert to fraction form
    1,822.44/2,518.48 = 1,379.56/x
  3. Step 3: Cross multiply
    1,822.44x = 2,518.48 × 1,379.56
  4. Step 4: Simplify right side
    1,822.44x = 3,474,394.27
  5. Step 5: Solve for x
    x = 3,474,394.27/1,822.44
  6. Step 6: Final answer
    x = 1,906.45

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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.