Home / 3,418.05-4,717.62-2,021.01

Finding the Fourth Proportional to 3,418.05, 4,717.62 and 2,021.01

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Solution

The fourth proportional to 3,418.05, 4,717.62 and 2,021.01 is: 2,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.05 : 4,717.62 = 2,021.01 : x
  2. Step 2: Convert to fraction form
    3,418.05/4,717.62 = 2,021.01/x
  3. Step 3: Cross multiply
    3,418.05x = 4,717.62 × 2,021.01
  4. Step 4: Simplify right side
    3,418.05x = 9,534,357.20
  5. Step 5: Solve for x
    x = 9,534,357.20/3,418.05
  6. Step 6: Final answer
    x = 2,789.41

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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.