Home / 2,336.91-3,224.79-1,289.00

Finding the Fourth Proportional to 2,336.91, 3,224.79 and 1,289.00

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Solution

The fourth proportional to 2,336.91, 3,224.79 and 1,289.00 is: 1,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.91 : 3,224.79 = 1,289.00 : x
  2. Step 2: Convert to fraction form
    2,336.91/3,224.79 = 1,289.00/x
  3. Step 3: Cross multiply
    2,336.91x = 3,224.79 × 1,289.00
  4. Step 4: Simplify right side
    2,336.91x = 4,156,738.19
  5. Step 5: Solve for x
    x = 4,156,738.19/2,336.91
  6. Step 6: Final answer
    x = 1,778.73

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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.