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Finding the Fourth Proportional to 2,222.85, 3,334.76 and 662.87

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Solution

The fourth proportional to 2,222.85, 3,334.76 and 662.87 is: 994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.85 : 3,334.76 = 662.87 : x
  2. Step 2: Convert to fraction form
    2,222.85/3,334.76 = 662.87/x
  3. Step 3: Cross multiply
    2,222.85x = 3,334.76 × 662.87
  4. Step 4: Simplify right side
    2,222.85x = 2,210,492.37
  5. Step 5: Solve for x
    x = 2,210,492.37/2,222.85
  6. Step 6: Final answer
    x = 994.44

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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.