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Finding the Fourth Proportional to 2,222.91, 3,334.96 and 662.92

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Solution

The fourth proportional to 2,222.91, 3,334.96 and 662.92 is: 994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.91 : 3,334.96 = 662.92 : x
  2. Step 2: Convert to fraction form
    2,222.91/3,334.96 = 662.92/x
  3. Step 3: Cross multiply
    2,222.91x = 3,334.96 × 662.92
  4. Step 4: Simplify right side
    2,222.91x = 2,210,800.45
  5. Step 5: Solve for x
    x = 2,210,800.45/2,222.91
  6. Step 6: Final answer
    x = 994.55

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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.