Home / 2,582.28-3,872.88-850.50

Finding the Fourth Proportional to 2,582.28, 3,872.88 and 850.50

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Solution

The fourth proportional to 2,582.28, 3,872.88 and 850.50 is: 1,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.28 : 3,872.88 = 850.50 : x
  2. Step 2: Convert to fraction form
    2,582.28/3,872.88 = 850.50/x
  3. Step 3: Cross multiply
    2,582.28x = 3,872.88 × 850.50
  4. Step 4: Simplify right side
    2,582.28x = 3,293,884.44
  5. Step 5: Solve for x
    x = 3,293,884.44/2,582.28
  6. Step 6: Final answer
    x = 1,275.57

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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.