Home / 3,201.03-4,416.66-1,803.78

Finding the Fourth Proportional to 3,201.03, 4,416.66 and 1,803.78

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Solution

The fourth proportional to 3,201.03, 4,416.66 and 1,803.78 is: 2,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.03 : 4,416.66 = 1,803.78 : x
  2. Step 2: Convert to fraction form
    3,201.03/4,416.66 = 1,803.78/x
  3. Step 3: Cross multiply
    3,201.03x = 4,416.66 × 1,803.78
  4. Step 4: Simplify right side
    3,201.03x = 7,966,682.97
  5. Step 5: Solve for x
    x = 7,966,682.97/3,201.03
  6. Step 6: Final answer
    x = 2,488.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.