Home / 2,020.09-3,029.82-559.39

Finding the Fourth Proportional to 2,020.09, 3,029.82 and 559.39

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Solution

The fourth proportional to 2,020.09, 3,029.82 and 559.39 is: 839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.09 : 3,029.82 = 559.39 : x
  2. Step 2: Convert to fraction form
    2,020.09/3,029.82 = 559.39/x
  3. Step 3: Cross multiply
    2,020.09x = 3,029.82 × 559.39
  4. Step 4: Simplify right side
    2,020.09x = 1,694,851.01
  5. Step 5: Solve for x
    x = 1,694,851.01/2,020.09
  6. Step 6: Final answer
    x = 839.00

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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.