Home / 3,121.27-4,681.73-2,247.84

Finding the Fourth Proportional to 3,121.27, 4,681.73 and 2,247.84

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Solution

The fourth proportional to 3,121.27, 4,681.73 and 2,247.84 is: 3,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.27 : 4,681.73 = 2,247.84 : x
  2. Step 2: Convert to fraction form
    3,121.27/4,681.73 = 2,247.84/x
  3. Step 3: Cross multiply
    3,121.27x = 4,681.73 × 2,247.84
  4. Step 4: Simplify right side
    3,121.27x = 10,523,779.96
  5. Step 5: Solve for x
    x = 10,523,779.96/3,121.27
  6. Step 6: Final answer
    x = 3,371.63

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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.