Home / 3,361.72-5,042.39-1,281.93

Finding the Fourth Proportional to 3,361.72, 5,042.39 and 1,281.93

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Solution

The fourth proportional to 3,361.72, 5,042.39 and 1,281.93 is: 1,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.72 : 5,042.39 = 1,281.93 : x
  2. Step 2: Convert to fraction form
    3,361.72/5,042.39 = 1,281.93/x
  3. Step 3: Cross multiply
    3,361.72x = 5,042.39 × 1,281.93
  4. Step 4: Simplify right side
    3,361.72x = 6,464,008.96
  5. Step 5: Solve for x
    x = 6,464,008.96/3,361.72
  6. Step 6: Final answer
    x = 1,922.83

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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.