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Finding the Fourth Proportional to 2,020.10, 3,030.12 and 559.24

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Solution

The fourth proportional to 2,020.10, 3,030.12 and 559.24 is: 838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.10 : 3,030.12 = 559.24 : x
  2. Step 2: Convert to fraction form
    2,020.10/3,030.12 = 559.24/x
  3. Step 3: Cross multiply
    2,020.10x = 3,030.12 × 559.24
  4. Step 4: Simplify right side
    2,020.10x = 1,694,556.73
  5. Step 5: Solve for x
    x = 1,694,556.73/2,020.10
  6. Step 6: Final answer
    x = 838.85

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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.