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Finding the Fourth Proportional to 3,860.73, 5,329.26 and 2,370.67

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Solution

The fourth proportional to 3,860.73, 5,329.26 and 2,370.67 is: 3,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.73 : 5,329.26 = 2,370.67 : x
  2. Step 2: Convert to fraction form
    3,860.73/5,329.26 = 2,370.67/x
  3. Step 3: Cross multiply
    3,860.73x = 5,329.26 × 2,370.67
  4. Step 4: Simplify right side
    3,860.73x = 12,633,903.48
  5. Step 5: Solve for x
    x = 12,633,903.48/3,860.73
  6. Step 6: Final answer
    x = 3,272.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.