Home / 2,107.52-2,908.24-1,163.28

Finding the Fourth Proportional to 2,107.52, 2,908.24 and 1,163.28

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Solution

The fourth proportional to 2,107.52, 2,908.24 and 1,163.28 is: 1,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.52 : 2,908.24 = 1,163.28 : x
  2. Step 2: Convert to fraction form
    2,107.52/2,908.24 = 1,163.28/x
  3. Step 3: Cross multiply
    2,107.52x = 2,908.24 × 1,163.28
  4. Step 4: Simplify right side
    2,107.52x = 3,383,097.43
  5. Step 5: Solve for x
    x = 3,383,097.43/2,107.52
  6. Step 6: Final answer
    x = 1,605.25

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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.