Home / 3,271.55-4,906.80-2,719.80

Finding the Fourth Proportional to 3,271.55, 4,906.80 and 2,719.80

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Solution

The fourth proportional to 3,271.55, 4,906.80 and 2,719.80 is: 4,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.55 : 4,906.80 = 2,719.80 : x
  2. Step 2: Convert to fraction form
    3,271.55/4,906.80 = 2,719.80/x
  3. Step 3: Cross multiply
    3,271.55x = 4,906.80 × 2,719.80
  4. Step 4: Simplify right side
    3,271.55x = 13,345,514.64
  5. Step 5: Solve for x
    x = 13,345,514.64/3,271.55
  6. Step 6: Final answer
    x = 4,079.27

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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.