Home / 4,022.65-6,029.78-1,939.51

Finding the Fourth Proportional to 4,022.65, 6,029.78 and 1,939.51

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Solution

The fourth proportional to 4,022.65, 6,029.78 and 1,939.51 is: 2,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.65 : 6,029.78 = 1,939.51 : x
  2. Step 2: Convert to fraction form
    4,022.65/6,029.78 = 1,939.51/x
  3. Step 3: Cross multiply
    4,022.65x = 6,029.78 × 1,939.51
  4. Step 4: Simplify right side
    4,022.65x = 11,694,808.91
  5. Step 5: Solve for x
    x = 11,694,808.91/4,022.65
  6. Step 6: Final answer
    x = 2,907.24

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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.