Home / 3,169.47-4,758.83-2,249.91

Finding the Fourth Proportional to 3,169.47, 4,758.83 and 2,249.91

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Solution

The fourth proportional to 3,169.47, 4,758.83 and 2,249.91 is: 3,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.47 : 4,758.83 = 2,249.91 : x
  2. Step 2: Convert to fraction form
    3,169.47/4,758.83 = 2,249.91/x
  3. Step 3: Cross multiply
    3,169.47x = 4,758.83 × 2,249.91
  4. Step 4: Simplify right side
    3,169.47x = 10,706,943.45
  5. Step 5: Solve for x
    x = 10,706,943.45/3,169.47
  6. Step 6: Final answer
    x = 3,378.15

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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.