Home / 3,040.11-4,190.94-2,618.64

Finding the Fourth Proportional to 3,040.11, 4,190.94 and 2,618.64

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Solution

The fourth proportional to 3,040.11, 4,190.94 and 2,618.64 is: 3,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.11 : 4,190.94 = 2,618.64 : x
  2. Step 2: Convert to fraction form
    3,040.11/4,190.94 = 2,618.64/x
  3. Step 3: Cross multiply
    3,040.11x = 4,190.94 × 2,618.64
  4. Step 4: Simplify right side
    3,040.11x = 10,974,563.12
  5. Step 5: Solve for x
    x = 10,974,563.12/3,040.11
  6. Step 6: Final answer
    x = 3,609.92

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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.