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Finding the Fourth Proportional to 3,069.54, 4,604.31 and 1,339.38

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Solution

The fourth proportional to 3,069.54, 4,604.31 and 1,339.38 is: 2,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.54 : 4,604.31 = 1,339.38 : x
  2. Step 2: Convert to fraction form
    3,069.54/4,604.31 = 1,339.38/x
  3. Step 3: Cross multiply
    3,069.54x = 4,604.31 × 1,339.38
  4. Step 4: Simplify right side
    3,069.54x = 6,166,920.73
  5. Step 5: Solve for x
    x = 6,166,920.73/3,069.54
  6. Step 6: Final answer
    x = 2,009.07

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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.