Home / 3,914.42-5,869.74-1,833.80

Finding the Fourth Proportional to 3,914.42, 5,869.74 and 1,833.80

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Solution

The fourth proportional to 3,914.42, 5,869.74 and 1,833.80 is: 2,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.42 : 5,869.74 = 1,833.80 : x
  2. Step 2: Convert to fraction form
    3,914.42/5,869.74 = 1,833.80/x
  3. Step 3: Cross multiply
    3,914.42x = 5,869.74 × 1,833.80
  4. Step 4: Simplify right side
    3,914.42x = 10,763,929.21
  5. Step 5: Solve for x
    x = 10,763,929.21/3,914.42
  6. Step 6: Final answer
    x = 2,749.81

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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.