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Finding the Fourth Proportional to 3,260.84, 4,499.84 and 1,768.71

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Solution

The fourth proportional to 3,260.84, 4,499.84 and 1,768.71 is: 2,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.84 : 4,499.84 = 1,768.71 : x
  2. Step 2: Convert to fraction form
    3,260.84/4,499.84 = 1,768.71/x
  3. Step 3: Cross multiply
    3,260.84x = 4,499.84 × 1,768.71
  4. Step 4: Simplify right side
    3,260.84x = 7,958,880.66
  5. Step 5: Solve for x
    x = 7,958,880.66/3,260.84
  6. Step 6: Final answer
    x = 2,440.75

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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.