Home / 3,959.67-5,464.34-2,191.27

Finding the Fourth Proportional to 3,959.67, 5,464.34 and 2,191.27

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Solution

The fourth proportional to 3,959.67, 5,464.34 and 2,191.27 is: 3,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.67 : 5,464.34 = 2,191.27 : x
  2. Step 2: Convert to fraction form
    3,959.67/5,464.34 = 2,191.27/x
  3. Step 3: Cross multiply
    3,959.67x = 5,464.34 × 2,191.27
  4. Step 4: Simplify right side
    3,959.67x = 11,973,850.45
  5. Step 5: Solve for x
    x = 11,973,850.45/3,959.67
  6. Step 6: Final answer
    x = 3,023.95

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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.