Home / 1,112.13-1,658.43-1,022.37

Finding the Fourth Proportional to 1,112.13, 1,658.43 and 1,022.37

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Solution

The fourth proportional to 1,112.13, 1,658.43 and 1,022.37 is: 1,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.13 : 1,658.43 = 1,022.37 : x
  2. Step 2: Convert to fraction form
    1,112.13/1,658.43 = 1,022.37/x
  3. Step 3: Cross multiply
    1,112.13x = 1,658.43 × 1,022.37
  4. Step 4: Simplify right side
    1,112.13x = 1,695,523.97
  5. Step 5: Solve for x
    x = 1,695,523.97/1,112.13
  6. Step 6: Final answer
    x = 1,524.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.