Home / 3,926.38-5,418.51-2,224.75

Finding the Fourth Proportional to 3,926.38, 5,418.51 and 2,224.75

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Solution

The fourth proportional to 3,926.38, 5,418.51 and 2,224.75 is: 3,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.38 : 5,418.51 = 2,224.75 : x
  2. Step 2: Convert to fraction form
    3,926.38/5,418.51 = 2,224.75/x
  3. Step 3: Cross multiply
    3,926.38x = 5,418.51 × 2,224.75
  4. Step 4: Simplify right side
    3,926.38x = 12,054,830.12
  5. Step 5: Solve for x
    x = 12,054,830.12/3,926.38
  6. Step 6: Final answer
    x = 3,070.21

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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.