Home / 2,684.62-4,025.36-1,222.98

Finding the Fourth Proportional to 2,684.62, 4,025.36 and 1,222.98

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Solution

The fourth proportional to 2,684.62, 4,025.36 and 1,222.98 is: 1,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.62 : 4,025.36 = 1,222.98 : x
  2. Step 2: Convert to fraction form
    2,684.62/4,025.36 = 1,222.98/x
  3. Step 3: Cross multiply
    2,684.62x = 4,025.36 × 1,222.98
  4. Step 4: Simplify right side
    2,684.62x = 4,922,908.53
  5. Step 5: Solve for x
    x = 4,922,908.53/2,684.62
  6. Step 6: Final answer
    x = 1,833.75

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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.