Home / 3,442.16-5,162.88-1,361.72

Finding the Fourth Proportional to 3,442.16, 5,162.88 and 1,361.72

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Solution

The fourth proportional to 3,442.16, 5,162.88 and 1,361.72 is: 2,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.16 : 5,162.88 = 1,361.72 : x
  2. Step 2: Convert to fraction form
    3,442.16/5,162.88 = 1,361.72/x
  3. Step 3: Cross multiply
    3,442.16x = 5,162.88 × 1,361.72
  4. Step 4: Simplify right side
    3,442.16x = 7,030,396.95
  5. Step 5: Solve for x
    x = 7,030,396.95/3,442.16
  6. Step 6: Final answer
    x = 2,042.44

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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.