Home / 3,729.24-5,145.03-2,611.44

Finding the Fourth Proportional to 3,729.24, 5,145.03 and 2,611.44

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Solution

The fourth proportional to 3,729.24, 5,145.03 and 2,611.44 is: 3,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.24 : 5,145.03 = 2,611.44 : x
  2. Step 2: Convert to fraction form
    3,729.24/5,145.03 = 2,611.44/x
  3. Step 3: Cross multiply
    3,729.24x = 5,145.03 × 2,611.44
  4. Step 4: Simplify right side
    3,729.24x = 13,435,937.14
  5. Step 5: Solve for x
    x = 13,435,937.14/3,729.24
  6. Step 6: Final answer
    x = 3,602.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.