Home / 3,442.42-5,163.75-2,111.31

Finding the Fourth Proportional to 3,442.42, 5,163.75 and 2,111.31

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Solution

The fourth proportional to 3,442.42, 5,163.75 and 2,111.31 is: 3,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.42 : 5,163.75 = 2,111.31 : x
  2. Step 2: Convert to fraction form
    3,442.42/5,163.75 = 2,111.31/x
  3. Step 3: Cross multiply
    3,442.42x = 5,163.75 × 2,111.31
  4. Step 4: Simplify right side
    3,442.42x = 10,902,266.46
  5. Step 5: Solve for x
    x = 10,902,266.46/3,442.42
  6. Step 6: Final answer
    x = 3,167.04

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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.