Home / 2,336.98-3,224.97-1,289.05

Finding the Fourth Proportional to 2,336.98, 3,224.97 and 1,289.05

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Solution

The fourth proportional to 2,336.98, 3,224.97 and 1,289.05 is: 1,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.98 : 3,224.97 = 1,289.05 : x
  2. Step 2: Convert to fraction form
    2,336.98/3,224.97 = 1,289.05/x
  3. Step 3: Cross multiply
    2,336.98x = 3,224.97 × 1,289.05
  4. Step 4: Simplify right side
    2,336.98x = 4,157,147.58
  5. Step 5: Solve for x
    x = 4,157,147.58/2,336.98
  6. Step 6: Final answer
    x = 1,778.85

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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.