Home / 3,028.57-4,542.90-1,995.19

Finding the Fourth Proportional to 3,028.57, 4,542.90 and 1,995.19

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Solution

The fourth proportional to 3,028.57, 4,542.90 and 1,995.19 is: 2,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.57 : 4,542.90 = 1,995.19 : x
  2. Step 2: Convert to fraction form
    3,028.57/4,542.90 = 1,995.19/x
  3. Step 3: Cross multiply
    3,028.57x = 4,542.90 × 1,995.19
  4. Step 4: Simplify right side
    3,028.57x = 9,063,948.65
  5. Step 5: Solve for x
    x = 9,063,948.65/3,028.57
  6. Step 6: Final answer
    x = 2,992.81

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1.5x scale

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.