Home / 3,873.36-5,803.86-2,021.76

Finding the Fourth Proportional to 3,873.36, 5,803.86 and 2,021.76

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Solution

The fourth proportional to 3,873.36, 5,803.86 and 2,021.76 is: 3,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.36 : 5,803.86 = 2,021.76 : x
  2. Step 2: Convert to fraction form
    3,873.36/5,803.86 = 2,021.76/x
  3. Step 3: Cross multiply
    3,873.36x = 5,803.86 × 2,021.76
  4. Step 4: Simplify right side
    3,873.36x = 11,734,011.99
  5. Step 5: Solve for x
    x = 11,734,011.99/3,873.36
  6. Step 6: Final answer
    x = 3,029.41

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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.