Home / 3,367.20-5,047.68-2,271.90

Finding the Fourth Proportional to 3,367.20, 5,047.68 and 2,271.90

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Solution

The fourth proportional to 3,367.20, 5,047.68 and 2,271.90 is: 3,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.20 : 5,047.68 = 2,271.90 : x
  2. Step 2: Convert to fraction form
    3,367.20/5,047.68 = 2,271.90/x
  3. Step 3: Cross multiply
    3,367.20x = 5,047.68 × 2,271.90
  4. Step 4: Simplify right side
    3,367.20x = 11,467,824.19
  5. Step 5: Solve for x
    x = 11,467,824.19/3,367.20
  6. Step 6: Final answer
    x = 3,405.74

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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.