Home / 2,611.62-3,911.39-1,569.32

Finding the Fourth Proportional to 2,611.62, 3,911.39 and 1,569.32

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Solution

The fourth proportional to 2,611.62, 3,911.39 and 1,569.32 is: 2,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.62 : 3,911.39 = 1,569.32 : x
  2. Step 2: Convert to fraction form
    2,611.62/3,911.39 = 1,569.32/x
  3. Step 3: Cross multiply
    2,611.62x = 3,911.39 × 1,569.32
  4. Step 4: Simplify right side
    2,611.62x = 6,138,236.26
  5. Step 5: Solve for x
    x = 6,138,236.26/2,611.62
  6. Step 6: Final answer
    x = 2,350.36

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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.