Home / 3,361.61-5,042.37-1,511.42

Finding the Fourth Proportional to 3,361.61, 5,042.37 and 1,511.42

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Solution

The fourth proportional to 3,361.61, 5,042.37 and 1,511.42 is: 2,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.61 : 5,042.37 = 1,511.42 : x
  2. Step 2: Convert to fraction form
    3,361.61/5,042.37 = 1,511.42/x
  3. Step 3: Cross multiply
    3,361.61x = 5,042.37 × 1,511.42
  4. Step 4: Simplify right side
    3,361.61x = 7,621,110.82
  5. Step 5: Solve for x
    x = 7,621,110.82/3,361.61
  6. Step 6: Final answer
    x = 2,267.10

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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.