Home / 2,324.28-3,207.48-1,392.78

Finding the Fourth Proportional to 2,324.28, 3,207.48 and 1,392.78

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Solution

The fourth proportional to 2,324.28, 3,207.48 and 1,392.78 is: 1,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.28 : 3,207.48 = 1,392.78 : x
  2. Step 2: Convert to fraction form
    2,324.28/3,207.48 = 1,392.78/x
  3. Step 3: Cross multiply
    2,324.28x = 3,207.48 × 1,392.78
  4. Step 4: Simplify right side
    2,324.28x = 4,467,313.99
  5. Step 5: Solve for x
    x = 4,467,313.99/2,324.28
  6. Step 6: Final answer
    x = 1,922.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.