Home / 3,869.66-5,796.70-1,786.74

Finding the Fourth Proportional to 3,869.66, 5,796.70 and 1,786.74

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Solution

The fourth proportional to 3,869.66, 5,796.70 and 1,786.74 is: 2,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.66 : 5,796.70 = 1,786.74 : x
  2. Step 2: Convert to fraction form
    3,869.66/5,796.70 = 1,786.74/x
  3. Step 3: Cross multiply
    3,869.66x = 5,796.70 × 1,786.74
  4. Step 4: Simplify right side
    3,869.66x = 10,357,195.76
  5. Step 5: Solve for x
    x = 10,357,195.76/3,869.66
  6. Step 6: Final answer
    x = 2,676.51

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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.