Home / 3,759.60-5,635.08-2,028.72

Finding the Fourth Proportional to 3,759.60, 5,635.08 and 2,028.72

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Solution

The fourth proportional to 3,759.60, 5,635.08 and 2,028.72 is: 3,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.60 : 5,635.08 = 2,028.72 : x
  2. Step 2: Convert to fraction form
    3,759.60/5,635.08 = 2,028.72/x
  3. Step 3: Cross multiply
    3,759.60x = 5,635.08 × 2,028.72
  4. Step 4: Simplify right side
    3,759.60x = 11,431,999.50
  5. Step 5: Solve for x
    x = 11,431,999.50/3,759.60
  6. Step 6: Final answer
    x = 3,040.75

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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.