Home / 3,260.71-4,499.78-1,768.62

Finding the Fourth Proportional to 3,260.71, 4,499.78 and 1,768.62

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Solution

The fourth proportional to 3,260.71, 4,499.78 and 1,768.62 is: 2,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.71 : 4,499.78 = 1,768.62 : x
  2. Step 2: Convert to fraction form
    3,260.71/4,499.78 = 1,768.62/x
  3. Step 3: Cross multiply
    3,260.71x = 4,499.78 × 1,768.62
  4. Step 4: Simplify right side
    3,260.71x = 7,958,408.93
  5. Step 5: Solve for x
    x = 7,958,408.93/3,260.71
  6. Step 6: Final answer
    x = 2,440.70

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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.