Home / 3,795.75-5,685.26-2,148.75

Finding the Fourth Proportional to 3,795.75, 5,685.26 and 2,148.75

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Solution

The fourth proportional to 3,795.75, 5,685.26 and 2,148.75 is: 3,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.75 : 5,685.26 = 2,148.75 : x
  2. Step 2: Convert to fraction form
    3,795.75/5,685.26 = 2,148.75/x
  3. Step 3: Cross multiply
    3,795.75x = 5,685.26 × 2,148.75
  4. Step 4: Simplify right side
    3,795.75x = 12,216,191.68
  5. Step 5: Solve for x
    x = 12,216,191.68/3,795.75
  6. Step 6: Final answer
    x = 3,218.39

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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.