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Finding the Fourth Proportional to 2,226.81, 3,340.97 and 995.07

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Solution

The fourth proportional to 2,226.81, 3,340.97 and 995.07 is: 1,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.81 : 3,340.97 = 995.07 : x
  2. Step 2: Convert to fraction form
    2,226.81/3,340.97 = 995.07/x
  3. Step 3: Cross multiply
    2,226.81x = 3,340.97 × 995.07
  4. Step 4: Simplify right side
    2,226.81x = 3,324,499.02
  5. Step 5: Solve for x
    x = 3,324,499.02/2,226.81
  6. Step 6: Final answer
    x = 1,492.94

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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.