Home / 3,271.42-4,515.33-2,013.27

Finding the Fourth Proportional to 3,271.42, 4,515.33 and 2,013.27

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Solution

The fourth proportional to 3,271.42, 4,515.33 and 2,013.27 is: 2,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.42 : 4,515.33 = 2,013.27 : x
  2. Step 2: Convert to fraction form
    3,271.42/4,515.33 = 2,013.27/x
  3. Step 3: Cross multiply
    3,271.42x = 4,515.33 × 2,013.27
  4. Step 4: Simplify right side
    3,271.42x = 9,090,578.43
  5. Step 5: Solve for x
    x = 9,090,578.43/3,271.42
  6. Step 6: Final answer
    x = 2,778.79

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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.