Home / 3,952.96-5,455.20-2,184.69

Finding the Fourth Proportional to 3,952.96, 5,455.20 and 2,184.69

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Solution

The fourth proportional to 3,952.96, 5,455.20 and 2,184.69 is: 3,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.96 : 5,455.20 = 2,184.69 : x
  2. Step 2: Convert to fraction form
    3,952.96/5,455.20 = 2,184.69/x
  3. Step 3: Cross multiply
    3,952.96x = 5,455.20 × 2,184.69
  4. Step 4: Simplify right side
    3,952.96x = 11,917,920.89
  5. Step 5: Solve for x
    x = 11,917,920.89/3,952.96
  6. Step 6: Final answer
    x = 3,014.94

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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.