Home / 3,691.05-5,537.62-1,611.24

Finding the Fourth Proportional to 3,691.05, 5,537.62 and 1,611.24

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Solution

The fourth proportional to 3,691.05, 5,537.62 and 1,611.24 is: 2,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.05 : 5,537.62 = 1,611.24 : x
  2. Step 2: Convert to fraction form
    3,691.05/5,537.62 = 1,611.24/x
  3. Step 3: Cross multiply
    3,691.05x = 5,537.62 × 1,611.24
  4. Step 4: Simplify right side
    3,691.05x = 8,922,438.18
  5. Step 5: Solve for x
    x = 8,922,438.18/3,691.05
  6. Step 6: Final answer
    x = 2,417.32

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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.