Home / 3,329.97-4,991.39-2,505.69

Finding the Fourth Proportional to 3,329.97, 4,991.39 and 2,505.69

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Solution

The fourth proportional to 3,329.97, 4,991.39 and 2,505.69 is: 3,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.97 : 4,991.39 = 2,505.69 : x
  2. Step 2: Convert to fraction form
    3,329.97/4,991.39 = 2,505.69/x
  3. Step 3: Cross multiply
    3,329.97x = 4,991.39 × 2,505.69
  4. Step 4: Simplify right side
    3,329.97x = 12,506,882.27
  5. Step 5: Solve for x
    x = 12,506,882.27/3,329.97
  6. Step 6: Final answer
    x = 3,755.86

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1.5x scale

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.