Home / 2,771.63-4,151.97-2,079.08

Finding the Fourth Proportional to 2,771.63, 4,151.97 and 2,079.08

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Solution

The fourth proportional to 2,771.63, 4,151.97 and 2,079.08 is: 3,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.63 : 4,151.97 = 2,079.08 : x
  2. Step 2: Convert to fraction form
    2,771.63/4,151.97 = 2,079.08/x
  3. Step 3: Cross multiply
    2,771.63x = 4,151.97 × 2,079.08
  4. Step 4: Simplify right side
    2,771.63x = 8,632,272.60
  5. Step 5: Solve for x
    x = 8,632,272.60/2,771.63
  6. Step 6: Final answer
    x = 3,114.51

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1.5x scale

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.