Home / 3,959.46-5,464.08-2,191.19

Finding the Fourth Proportional to 3,959.46, 5,464.08 and 2,191.19

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Solution

The fourth proportional to 3,959.46, 5,464.08 and 2,191.19 is: 3,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.46 : 5,464.08 = 2,191.19 : x
  2. Step 2: Convert to fraction form
    3,959.46/5,464.08 = 2,191.19/x
  3. Step 3: Cross multiply
    3,959.46x = 5,464.08 × 2,191.19
  4. Step 4: Simplify right side
    3,959.46x = 11,972,810.13
  5. Step 5: Solve for x
    x = 11,972,810.13/3,959.46
  6. Step 6: Final answer
    x = 3,023.85

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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.