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Finding the Fourth Proportional to 3,801.73, 5,245.41 and 2,309.67

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Solution

The fourth proportional to 3,801.73, 5,245.41 and 2,309.67 is: 3,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.73 : 5,245.41 = 2,309.67 : x
  2. Step 2: Convert to fraction form
    3,801.73/5,245.41 = 2,309.67/x
  3. Step 3: Cross multiply
    3,801.73x = 5,245.41 × 2,309.67
  4. Step 4: Simplify right side
    3,801.73x = 12,115,166.11
  5. Step 5: Solve for x
    x = 12,115,166.11/3,801.73
  6. Step 6: Final answer
    x = 3,186.75

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1.5x scale

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.