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Finding the Fourth Proportional to 1,630.80, 2,444.90 and 850.41

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Solution

The fourth proportional to 1,630.80, 2,444.90 and 850.41 is: 1,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.80 : 2,444.90 = 850.41 : x
  2. Step 2: Convert to fraction form
    1,630.80/2,444.90 = 850.41/x
  3. Step 3: Cross multiply
    1,630.80x = 2,444.90 × 850.41
  4. Step 4: Simplify right side
    1,630.80x = 2,079,163.16
  5. Step 5: Solve for x
    x = 2,079,163.16/1,630.80
  6. Step 6: Final answer
    x = 1,274.93

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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.