Home / 3,905.74-5,849.97-2,440.72

Finding the Fourth Proportional to 3,905.74, 5,849.97 and 2,440.72

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Solution

The fourth proportional to 3,905.74, 5,849.97 and 2,440.72 is: 3,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.74 : 5,849.97 = 2,440.72 : x
  2. Step 2: Convert to fraction form
    3,905.74/5,849.97 = 2,440.72/x
  3. Step 3: Cross multiply
    3,905.74x = 5,849.97 × 2,440.72
  4. Step 4: Simplify right side
    3,905.74x = 14,278,138.78
  5. Step 5: Solve for x
    x = 14,278,138.78/3,905.74
  6. Step 6: Final answer
    x = 3,655.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.