Home / 3,201.37-4,420.07-2,006.85

Finding the Fourth Proportional to 3,201.37, 4,420.07 and 2,006.85

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Solution

The fourth proportional to 3,201.37, 4,420.07 and 2,006.85 is: 2,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.37 : 4,420.07 = 2,006.85 : x
  2. Step 2: Convert to fraction form
    3,201.37/4,420.07 = 2,006.85/x
  3. Step 3: Cross multiply
    3,201.37x = 4,420.07 × 2,006.85
  4. Step 4: Simplify right side
    3,201.37x = 8,870,417.48
  5. Step 5: Solve for x
    x = 8,870,417.48/3,201.37
  6. Step 6: Final answer
    x = 2,770.82

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1.5x scale

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.