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Finding the Fourth Proportional to 3,799.66, 5,690.67 and 3,668.25

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Solution

The fourth proportional to 3,799.66, 5,690.67 and 3,668.25 is: 5,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.66 : 5,690.67 = 3,668.25 : x
  2. Step 2: Convert to fraction form
    3,799.66/5,690.67 = 3,668.25/x
  3. Step 3: Cross multiply
    3,799.66x = 5,690.67 × 3,668.25
  4. Step 4: Simplify right side
    3,799.66x = 20,874,828.45
  5. Step 5: Solve for x
    x = 20,874,828.45/3,799.66
  6. Step 6: Final answer
    x = 5,493.87

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1.5x scale

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.