Home / 2,814.28-4,224.39-2,300.20

Finding the Fourth Proportional to 2,814.28, 4,224.39 and 2,300.20

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Solution

The fourth proportional to 2,814.28, 4,224.39 and 2,300.20 is: 3,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.28 : 4,224.39 = 2,300.20 : x
  2. Step 2: Convert to fraction form
    2,814.28/4,224.39 = 2,300.20/x
  3. Step 3: Cross multiply
    2,814.28x = 4,224.39 × 2,300.20
  4. Step 4: Simplify right side
    2,814.28x = 9,716,941.88
  5. Step 5: Solve for x
    x = 9,716,941.88/2,814.28
  6. Step 6: Final answer
    x = 3,452.73

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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.