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Finding the Fourth Proportional to 2,028.64, 3,040.88 and 794.37

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Solution

The fourth proportional to 2,028.64, 3,040.88 and 794.37 is: 1,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.64 : 3,040.88 = 794.37 : x
  2. Step 2: Convert to fraction form
    2,028.64/3,040.88 = 794.37/x
  3. Step 3: Cross multiply
    2,028.64x = 3,040.88 × 794.37
  4. Step 4: Simplify right side
    2,028.64x = 2,415,583.85
  5. Step 5: Solve for x
    x = 2,415,583.85/2,028.64
  6. Step 6: Final answer
    x = 1,190.74

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1.5x scale

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.