Home / 2,771.43-4,151.66-2,284.80

Finding the Fourth Proportional to 2,771.43, 4,151.66 and 2,284.80

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Solution

The fourth proportional to 2,771.43, 4,151.66 and 2,284.80 is: 3,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.43 : 4,151.66 = 2,284.80 : x
  2. Step 2: Convert to fraction form
    2,771.43/4,151.66 = 2,284.80/x
  3. Step 3: Cross multiply
    2,771.43x = 4,151.66 × 2,284.80
  4. Step 4: Simplify right side
    2,771.43x = 9,485,701.34
  5. Step 5: Solve for x
    x = 9,485,701.34/2,771.43
  6. Step 6: Final answer
    x = 3,422.67

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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.