Home / 3,950.39-5,451.77-2,272.28

Finding the Fourth Proportional to 3,950.39, 5,451.77 and 2,272.28

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Solution

The fourth proportional to 3,950.39, 5,451.77 and 2,272.28 is: 3,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.39 : 5,451.77 = 2,272.28 : x
  2. Step 2: Convert to fraction form
    3,950.39/5,451.77 = 2,272.28/x
  3. Step 3: Cross multiply
    3,950.39x = 5,451.77 × 2,272.28
  4. Step 4: Simplify right side
    3,950.39x = 12,387,926.36
  5. Step 5: Solve for x
    x = 12,387,926.36/3,950.39
  6. Step 6: Final answer
    x = 3,135.87

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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.