Home / 3,952.82-5,455.28-2,184.55

Finding the Fourth Proportional to 3,952.82, 5,455.28 and 2,184.55

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Solution

The fourth proportional to 3,952.82, 5,455.28 and 2,184.55 is: 3,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.82 : 5,455.28 = 2,184.55 : x
  2. Step 2: Convert to fraction form
    3,952.82/5,455.28 = 2,184.55/x
  3. Step 3: Cross multiply
    3,952.82x = 5,455.28 × 2,184.55
  4. Step 4: Simplify right side
    3,952.82x = 11,917,331.92
  5. Step 5: Solve for x
    x = 11,917,331.92/3,952.82
  6. Step 6: Final answer
    x = 3,014.89

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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.