Home / 1,342.26-1,853.73-1,231.70

Finding the Fourth Proportional to 1,342.26, 1,853.73 and 1,231.70

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Solution

The fourth proportional to 1,342.26, 1,853.73 and 1,231.70 is: 1,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.26 : 1,853.73 = 1,231.70 : x
  2. Step 2: Convert to fraction form
    1,342.26/1,853.73 = 1,231.70/x
  3. Step 3: Cross multiply
    1,342.26x = 1,853.73 × 1,231.70
  4. Step 4: Simplify right side
    1,342.26x = 2,283,229.97
  5. Step 5: Solve for x
    x = 2,283,229.97/1,342.26
  6. Step 6: Final answer
    x = 1,701.03

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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.