Home / 2,021.13-3,020.19-1,517.52

Finding the Fourth Proportional to 2,021.13, 3,020.19 and 1,517.52

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Solution

The fourth proportional to 2,021.13, 3,020.19 and 1,517.52 is: 2,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.13 : 3,020.19 = 1,517.52 : x
  2. Step 2: Convert to fraction form
    2,021.13/3,020.19 = 1,517.52/x
  3. Step 3: Cross multiply
    2,021.13x = 3,020.19 × 1,517.52
  4. Step 4: Simplify right side
    2,021.13x = 4,583,198.73
  5. Step 5: Solve for x
    x = 4,583,198.73/2,021.13
  6. Step 6: Final answer
    x = 2,267.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.