Home / 2,020.11-3,030.60-1,197.42

Finding the Fourth Proportional to 2,020.11, 3,030.60 and 1,197.42

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Solution

The fourth proportional to 2,020.11, 3,030.60 and 1,197.42 is: 1,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.11 : 3,030.60 = 1,197.42 : x
  2. Step 2: Convert to fraction form
    2,020.11/3,030.60 = 1,197.42/x
  3. Step 3: Cross multiply
    2,020.11x = 3,030.60 × 1,197.42
  4. Step 4: Simplify right side
    2,020.11x = 3,628,901.05
  5. Step 5: Solve for x
    x = 3,628,901.05/2,020.11
  6. Step 6: Final answer
    x = 1,796.39

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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.