Home / 3,215.73-4,824.13-1,107.27

Finding the Fourth Proportional to 3,215.73, 4,824.13 and 1,107.27

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Solution

The fourth proportional to 3,215.73, 4,824.13 and 1,107.27 is: 1,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.73 : 4,824.13 = 1,107.27 : x
  2. Step 2: Convert to fraction form
    3,215.73/4,824.13 = 1,107.27/x
  3. Step 3: Cross multiply
    3,215.73x = 4,824.13 × 1,107.27
  4. Step 4: Simplify right side
    3,215.73x = 5,341,614.43
  5. Step 5: Solve for x
    x = 5,341,614.43/3,215.73
  6. Step 6: Final answer
    x = 1,661.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.