Home / 2,327.51-3,211.99-1,279.56

Finding the Fourth Proportional to 2,327.51, 3,211.99 and 1,279.56

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Solution

The fourth proportional to 2,327.51, 3,211.99 and 1,279.56 is: 1,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.51 : 3,211.99 = 1,279.56 : x
  2. Step 2: Convert to fraction form
    2,327.51/3,211.99 = 1,279.56/x
  3. Step 3: Cross multiply
    2,327.51x = 3,211.99 × 1,279.56
  4. Step 4: Simplify right side
    2,327.51x = 4,109,933.92
  5. Step 5: Solve for x
    x = 4,109,933.92/2,327.51
  6. Step 6: Final answer
    x = 1,765.81

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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.