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Finding the Fourth Proportional to 3,000.39, 4,500.27 and 1,418.73

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Solution

The fourth proportional to 3,000.39, 4,500.27 and 1,418.73 is: 2,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.39 : 4,500.27 = 1,418.73 : x
  2. Step 2: Convert to fraction form
    3,000.39/4,500.27 = 1,418.73/x
  3. Step 3: Cross multiply
    3,000.39x = 4,500.27 × 1,418.73
  4. Step 4: Simplify right side
    3,000.39x = 6,384,668.06
  5. Step 5: Solve for x
    x = 6,384,668.06/3,000.39
  6. Step 6: Final answer
    x = 2,127.95

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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.