Home / 3,954.18-5,455.78-2,252.30

Finding the Fourth Proportional to 3,954.18, 5,455.78 and 2,252.30

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Solution

The fourth proportional to 3,954.18, 5,455.78 and 2,252.30 is: 3,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.18 : 5,455.78 = 2,252.30 : x
  2. Step 2: Convert to fraction form
    3,954.18/5,455.78 = 2,252.30/x
  3. Step 3: Cross multiply
    3,954.18x = 5,455.78 × 2,252.30
  4. Step 4: Simplify right side
    3,954.18x = 12,288,053.29
  5. Step 5: Solve for x
    x = 12,288,053.29/3,954.18
  6. Step 6: Final answer
    x = 3,107.61

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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.