Home / 3,964.12-5,454.42-3,253.36

Finding the Fourth Proportional to 3,964.12, 5,454.42 and 3,253.36

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Solution

The fourth proportional to 3,964.12, 5,454.42 and 3,253.36 is: 4,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.12 : 5,454.42 = 3,253.36 : x
  2. Step 2: Convert to fraction form
    3,964.12/5,454.42 = 3,253.36/x
  3. Step 3: Cross multiply
    3,964.12x = 5,454.42 × 3,253.36
  4. Step 4: Simplify right side
    3,964.12x = 17,745,191.85
  5. Step 5: Solve for x
    x = 17,745,191.85/3,964.12
  6. Step 6: Final answer
    x = 4,476.45

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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.