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Finding the Fourth Proportional to 3,260.62, 4,499.62 and 1,768.57

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Solution

The fourth proportional to 3,260.62, 4,499.62 and 1,768.57 is: 2,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.62 : 4,499.62 = 1,768.57 : x
  2. Step 2: Convert to fraction form
    3,260.62/4,499.62 = 1,768.57/x
  3. Step 3: Cross multiply
    3,260.62x = 4,499.62 × 1,768.57
  4. Step 4: Simplify right side
    3,260.62x = 7,957,892.94
  5. Step 5: Solve for x
    x = 7,957,892.94/3,260.62
  6. Step 6: Final answer
    x = 2,440.61

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1.5x scale

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.