Home / 3,289.37-4,930.86-1,314.43

Finding the Fourth Proportional to 3,289.37, 4,930.86 and 1,314.43

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Solution

The fourth proportional to 3,289.37, 4,930.86 and 1,314.43 is: 1,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.37 : 4,930.86 = 1,314.43 : x
  2. Step 2: Convert to fraction form
    3,289.37/4,930.86 = 1,314.43/x
  3. Step 3: Cross multiply
    3,289.37x = 4,930.86 × 1,314.43
  4. Step 4: Simplify right side
    3,289.37x = 6,481,257.98
  5. Step 5: Solve for x
    x = 6,481,257.98/3,289.37
  6. Step 6: Final answer
    x = 1,970.36

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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.