Home / 3,950.64-5,452.29-2,272.11

Finding the Fourth Proportional to 3,950.64, 5,452.29 and 2,272.11

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Solution

The fourth proportional to 3,950.64, 5,452.29 and 2,272.11 is: 3,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.64 : 5,452.29 = 2,272.11 : x
  2. Step 2: Convert to fraction form
    3,950.64/5,452.29 = 2,272.11/x
  3. Step 3: Cross multiply
    3,950.64x = 5,452.29 × 2,272.11
  4. Step 4: Simplify right side
    3,950.64x = 12,388,202.63
  5. Step 5: Solve for x
    x = 12,388,202.63/3,950.64
  6. Step 6: Final answer
    x = 3,135.75

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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.