Home / 3,950.27-5,449.41-2,355.80

Finding the Fourth Proportional to 3,950.27, 5,449.41 and 2,355.80

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Solution

The fourth proportional to 3,950.27, 5,449.41 and 2,355.80 is: 3,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.27 : 5,449.41 = 2,355.80 : x
  2. Step 2: Convert to fraction form
    3,950.27/5,449.41 = 2,355.80/x
  3. Step 3: Cross multiply
    3,950.27x = 5,449.41 × 2,355.80
  4. Step 4: Simplify right side
    3,950.27x = 12,837,681.05
  5. Step 5: Solve for x
    x = 12,837,681.05/3,950.27
  6. Step 6: Final answer
    x = 3,249.82

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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.