Home / 3,619.11-5,427.60-1,539.09

Finding the Fourth Proportional to 3,619.11, 5,427.60 and 1,539.09

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Solution

The fourth proportional to 3,619.11, 5,427.60 and 1,539.09 is: 2,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.11 : 5,427.60 = 1,539.09 : x
  2. Step 2: Convert to fraction form
    3,619.11/5,427.60 = 1,539.09/x
  3. Step 3: Cross multiply
    3,619.11x = 5,427.60 × 1,539.09
  4. Step 4: Simplify right side
    3,619.11x = 8,353,564.88
  5. Step 5: Solve for x
    x = 8,353,564.88/3,619.11
  6. Step 6: Final answer
    x = 2,308.18

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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.