Home / 3,428.44-5,135.48-2,842.05

Finding the Fourth Proportional to 3,428.44, 5,135.48 and 2,842.05

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Solution

The fourth proportional to 3,428.44, 5,135.48 and 2,842.05 is: 4,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.44 : 5,135.48 = 2,842.05 : x
  2. Step 2: Convert to fraction form
    3,428.44/5,135.48 = 2,842.05/x
  3. Step 3: Cross multiply
    3,428.44x = 5,135.48 × 2,842.05
  4. Step 4: Simplify right side
    3,428.44x = 14,595,290.93
  5. Step 5: Solve for x
    x = 14,595,290.93/3,428.44
  6. Step 6: Final answer
    x = 4,257.12

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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.