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Finding the Fourth Proportional to 2,020.44, 3,030.60 and 633.90

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Solution

The fourth proportional to 2,020.44, 3,030.60 and 633.90 is: 950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.44 : 3,030.60 = 633.90 : x
  2. Step 2: Convert to fraction form
    2,020.44/3,030.60 = 633.90/x
  3. Step 3: Cross multiply
    2,020.44x = 3,030.60 × 633.90
  4. Step 4: Simplify right side
    2,020.44x = 1,921,097.34
  5. Step 5: Solve for x
    x = 1,921,097.34/2,020.44
  6. Step 6: Final answer
    x = 950.83

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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.