Home / 3,289.19-4,910.37-3,173.87

Finding the Fourth Proportional to 3,289.19, 4,910.37 and 3,173.87

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Solution

The fourth proportional to 3,289.19, 4,910.37 and 3,173.87 is: 4,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.19 : 4,910.37 = 3,173.87 : x
  2. Step 2: Convert to fraction form
    3,289.19/4,910.37 = 3,173.87/x
  3. Step 3: Cross multiply
    3,289.19x = 4,910.37 × 3,173.87
  4. Step 4: Simplify right side
    3,289.19x = 15,584,866.64
  5. Step 5: Solve for x
    x = 15,584,866.64/3,289.19
  6. Step 6: Final answer
    x = 4,738.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.