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Finding the Fourth Proportional to 2,208.94, 3,048.41 and 1,264.90

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Solution

The fourth proportional to 2,208.94, 3,048.41 and 1,264.90 is: 1,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.94 : 3,048.41 = 1,264.90 : x
  2. Step 2: Convert to fraction form
    2,208.94/3,048.41 = 1,264.90/x
  3. Step 3: Cross multiply
    2,208.94x = 3,048.41 × 1,264.90
  4. Step 4: Simplify right side
    2,208.94x = 3,855,930.93
  5. Step 5: Solve for x
    x = 3,855,930.93/2,208.94
  6. Step 6: Final answer
    x = 1,745.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.