Home / 3,288.47-4,934.85-1,208.48

Finding the Fourth Proportional to 3,288.47, 4,934.85 and 1,208.48

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Solution

The fourth proportional to 3,288.47, 4,934.85 and 1,208.48 is: 1,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.47 : 4,934.85 = 1,208.48 : x
  2. Step 2: Convert to fraction form
    3,288.47/4,934.85 = 1,208.48/x
  3. Step 3: Cross multiply
    3,288.47x = 4,934.85 × 1,208.48
  4. Step 4: Simplify right side
    3,288.47x = 5,963,679.87
  5. Step 5: Solve for x
    x = 5,963,679.87/3,288.47
  6. Step 6: Final answer
    x = 1,813.51

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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.