Home / 3,321.09-4,956.03-2,905.56

Finding the Fourth Proportional to 3,321.09, 4,956.03 and 2,905.56

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Solution

The fourth proportional to 3,321.09, 4,956.03 and 2,905.56 is: 4,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.09 : 4,956.03 = 2,905.56 : x
  2. Step 2: Convert to fraction form
    3,321.09/4,956.03 = 2,905.56/x
  3. Step 3: Cross multiply
    3,321.09x = 4,956.03 × 2,905.56
  4. Step 4: Simplify right side
    3,321.09x = 14,400,042.53
  5. Step 5: Solve for x
    x = 14,400,042.53/3,321.09
  6. Step 6: Final answer
    x = 4,335.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.