Home / 3,608.31-5,416.50-2,796.36

Finding the Fourth Proportional to 3,608.31, 5,416.50 and 2,796.36

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Solution

The fourth proportional to 3,608.31, 5,416.50 and 2,796.36 is: 4,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.31 : 5,416.50 = 2,796.36 : x
  2. Step 2: Convert to fraction form
    3,608.31/5,416.50 = 2,796.36/x
  3. Step 3: Cross multiply
    3,608.31x = 5,416.50 × 2,796.36
  4. Step 4: Simplify right side
    3,608.31x = 15,146,483.94
  5. Step 5: Solve for x
    x = 15,146,483.94/3,608.31
  6. Step 6: Final answer
    x = 4,197.67

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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.