Home / 3,137.94-4,706.78-1,289.16

Finding the Fourth Proportional to 3,137.94, 4,706.78 and 1,289.16

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Solution

The fourth proportional to 3,137.94, 4,706.78 and 1,289.16 is: 1,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.94 : 4,706.78 = 1,289.16 : x
  2. Step 2: Convert to fraction form
    3,137.94/4,706.78 = 1,289.16/x
  3. Step 3: Cross multiply
    3,137.94x = 4,706.78 × 1,289.16
  4. Step 4: Simplify right side
    3,137.94x = 6,067,786.06
  5. Step 5: Solve for x
    x = 6,067,786.06/3,137.94
  6. Step 6: Final answer
    x = 1,933.68

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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.