Home / 3,611.10-5,409.64-2,374.78

Finding the Fourth Proportional to 3,611.10, 5,409.64 and 2,374.78

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Solution

The fourth proportional to 3,611.10, 5,409.64 and 2,374.78 is: 3,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.10 : 5,409.64 = 2,374.78 : x
  2. Step 2: Convert to fraction form
    3,611.10/5,409.64 = 2,374.78/x
  3. Step 3: Cross multiply
    3,611.10x = 5,409.64 × 2,374.78
  4. Step 4: Simplify right side
    3,611.10x = 12,846,704.88
  5. Step 5: Solve for x
    x = 12,846,704.88/3,611.10
  6. Step 6: Final answer
    x = 3,557.56

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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.