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Finding the Fourth Proportional to 3,869.99, 5,799.73 and 1,758.98

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Solution

The fourth proportional to 3,869.99, 5,799.73 and 1,758.98 is: 2,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.99 : 5,799.73 = 1,758.98 : x
  2. Step 2: Convert to fraction form
    3,869.99/5,799.73 = 1,758.98/x
  3. Step 3: Cross multiply
    3,869.99x = 5,799.73 × 1,758.98
  4. Step 4: Simplify right side
    3,869.99x = 10,201,609.08
  5. Step 5: Solve for x
    x = 10,201,609.08/3,869.99
  6. Step 6: Final answer
    x = 2,636.08

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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.