Home / 3,709.68-5,556.96-2,975.28

Finding the Fourth Proportional to 3,709.68, 5,556.96 and 2,975.28

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Solution

The fourth proportional to 3,709.68, 5,556.96 and 2,975.28 is: 4,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.68 : 5,556.96 = 2,975.28 : x
  2. Step 2: Convert to fraction form
    3,709.68/5,556.96 = 2,975.28/x
  3. Step 3: Cross multiply
    3,709.68x = 5,556.96 × 2,975.28
  4. Step 4: Simplify right side
    3,709.68x = 16,533,511.95
  5. Step 5: Solve for x
    x = 16,533,511.95/3,709.68
  6. Step 6: Final answer
    x = 4,456.86

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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.