Home / 3,329.76-4,591.86-2,664.78

Finding the Fourth Proportional to 3,329.76, 4,591.86 and 2,664.78

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Solution

The fourth proportional to 3,329.76, 4,591.86 and 2,664.78 is: 3,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.76 : 4,591.86 = 2,664.78 : x
  2. Step 2: Convert to fraction form
    3,329.76/4,591.86 = 2,664.78/x
  3. Step 3: Cross multiply
    3,329.76x = 4,591.86 × 2,664.78
  4. Step 4: Simplify right side
    3,329.76x = 12,236,296.69
  5. Step 5: Solve for x
    x = 12,236,296.69/3,329.76
  6. Step 6: Final answer
    x = 3,674.83

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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.