Home / 1,133.24-1,568.36-1,105.97

Finding the Fourth Proportional to 1,133.24, 1,568.36 and 1,105.97

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Solution

The fourth proportional to 1,133.24, 1,568.36 and 1,105.97 is: 1,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.24 : 1,568.36 = 1,105.97 : x
  2. Step 2: Convert to fraction form
    1,133.24/1,568.36 = 1,105.97/x
  3. Step 3: Cross multiply
    1,133.24x = 1,568.36 × 1,105.97
  4. Step 4: Simplify right side
    1,133.24x = 1,734,554.03
  5. Step 5: Solve for x
    x = 1,734,554.03/1,133.24
  6. Step 6: Final answer
    x = 1,530.62

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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.