Home / 3,611.40-4,983.94-2,040.04

Finding the Fourth Proportional to 3,611.40, 4,983.94 and 2,040.04

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Solution

The fourth proportional to 3,611.40, 4,983.94 and 2,040.04 is: 2,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.40 : 4,983.94 = 2,040.04 : x
  2. Step 2: Convert to fraction form
    3,611.40/4,983.94 = 2,040.04/x
  3. Step 3: Cross multiply
    3,611.40x = 4,983.94 × 2,040.04
  4. Step 4: Simplify right side
    3,611.40x = 10,167,436.96
  5. Step 5: Solve for x
    x = 10,167,436.96/3,611.40
  6. Step 6: Final answer
    x = 2,815.37

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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.