Home / 2,015.94-3,021.92-1,851.90

Finding the Fourth Proportional to 2,015.94, 3,021.92 and 1,851.90

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Solution

The fourth proportional to 2,015.94, 3,021.92 and 1,851.90 is: 2,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.94 : 3,021.92 = 1,851.90 : x
  2. Step 2: Convert to fraction form
    2,015.94/3,021.92 = 1,851.90/x
  3. Step 3: Cross multiply
    2,015.94x = 3,021.92 × 1,851.90
  4. Step 4: Simplify right side
    2,015.94x = 5,596,293.65
  5. Step 5: Solve for x
    x = 5,596,293.65/2,015.94
  6. Step 6: Final answer
    x = 2,776.02

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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.