Home / 3,740.27-5,611.23-1,143.41

Finding the Fourth Proportional to 3,740.27, 5,611.23 and 1,143.41

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Solution

The fourth proportional to 3,740.27, 5,611.23 and 1,143.41 is: 1,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.27 : 5,611.23 = 1,143.41 : x
  2. Step 2: Convert to fraction form
    3,740.27/5,611.23 = 1,143.41/x
  3. Step 3: Cross multiply
    3,740.27x = 5,611.23 × 1,143.41
  4. Step 4: Simplify right side
    3,740.27x = 6,415,936.49
  5. Step 5: Solve for x
    x = 6,415,936.49/3,740.27
  6. Step 6: Final answer
    x = 1,715.37

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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.