Home / 2,231.76-3,348.34-1,343.26

Finding the Fourth Proportional to 2,231.76, 3,348.34 and 1,343.26

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Solution

The fourth proportional to 2,231.76, 3,348.34 and 1,343.26 is: 2,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.76 : 3,348.34 = 1,343.26 : x
  2. Step 2: Convert to fraction form
    2,231.76/3,348.34 = 1,343.26/x
  3. Step 3: Cross multiply
    2,231.76x = 3,348.34 × 1,343.26
  4. Step 4: Simplify right side
    2,231.76x = 4,497,676.10
  5. Step 5: Solve for x
    x = 4,497,676.10/2,231.76
  6. Step 6: Final answer
    x = 2,015.31

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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.