Home / 3,821.68-5,733.06-1,223.74

Finding the Fourth Proportional to 3,821.68, 5,733.06 and 1,223.74

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Solution

The fourth proportional to 3,821.68, 5,733.06 and 1,223.74 is: 1,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.68 : 5,733.06 = 1,223.74 : x
  2. Step 2: Convert to fraction form
    3,821.68/5,733.06 = 1,223.74/x
  3. Step 3: Cross multiply
    3,821.68x = 5,733.06 × 1,223.74
  4. Step 4: Simplify right side
    3,821.68x = 7,015,774.84
  5. Step 5: Solve for x
    x = 7,015,774.84/3,821.68
  6. Step 6: Final answer
    x = 1,835.78

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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.