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Finding the Fourth Proportional to 2,222.95, 3,334.97 and 662.95

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Solution

The fourth proportional to 2,222.95, 3,334.97 and 662.95 is: 994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.95 : 3,334.97 = 662.95 : x
  2. Step 2: Convert to fraction form
    2,222.95/3,334.97 = 662.95/x
  3. Step 3: Cross multiply
    2,222.95x = 3,334.97 × 662.95
  4. Step 4: Simplify right side
    2,222.95x = 2,210,918.36
  5. Step 5: Solve for x
    x = 2,210,918.36/2,222.95
  6. Step 6: Final answer
    x = 994.59

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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.