Home / 3,869.82-5,800.08-1,786.92

Finding the Fourth Proportional to 3,869.82, 5,800.08 and 1,786.92

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Solution

The fourth proportional to 3,869.82, 5,800.08 and 1,786.92 is: 2,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.82 : 5,800.08 = 1,786.92 : x
  2. Step 2: Convert to fraction form
    3,869.82/5,800.08 = 1,786.92/x
  3. Step 3: Cross multiply
    3,869.82x = 5,800.08 × 1,786.92
  4. Step 4: Simplify right side
    3,869.82x = 10,364,278.95
  5. Step 5: Solve for x
    x = 10,364,278.95/3,869.82
  6. Step 6: Final answer
    x = 2,678.23

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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.