Home / 3,601.09-4,969.43-2,007.90

Finding the Fourth Proportional to 3,601.09, 4,969.43 and 2,007.90

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Solution

The fourth proportional to 3,601.09, 4,969.43 and 2,007.90 is: 2,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.09 : 4,969.43 = 2,007.90 : x
  2. Step 2: Convert to fraction form
    3,601.09/4,969.43 = 2,007.90/x
  3. Step 3: Cross multiply
    3,601.09x = 4,969.43 × 2,007.90
  4. Step 4: Simplify right side
    3,601.09x = 9,978,085.88
  5. Step 5: Solve for x
    x = 9,978,085.88/3,601.09
  6. Step 6: Final answer
    x = 2,770.85

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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.