Home / 1,192.26-1,786.43-1,146.70

Finding the Fourth Proportional to 1,192.26, 1,786.43 and 1,146.70

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Solution

The fourth proportional to 1,192.26, 1,786.43 and 1,146.70 is: 1,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.26 : 1,786.43 = 1,146.70 : x
  2. Step 2: Convert to fraction form
    1,192.26/1,786.43 = 1,146.70/x
  3. Step 3: Cross multiply
    1,192.26x = 1,786.43 × 1,146.70
  4. Step 4: Simplify right side
    1,192.26x = 2,048,500.97
  5. Step 5: Solve for x
    x = 2,048,500.97/1,192.26
  6. Step 6: Final answer
    x = 1,718.16

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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.