Home / 2,939.75-4,409.62-1,554.65

Finding the Fourth Proportional to 2,939.75, 4,409.62 and 1,554.65

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Solution

The fourth proportional to 2,939.75, 4,409.62 and 1,554.65 is: 2,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.75 : 4,409.62 = 1,554.65 : x
  2. Step 2: Convert to fraction form
    2,939.75/4,409.62 = 1,554.65/x
  3. Step 3: Cross multiply
    2,939.75x = 4,409.62 × 1,554.65
  4. Step 4: Simplify right side
    2,939.75x = 6,855,415.73
  5. Step 5: Solve for x
    x = 6,855,415.73/2,939.75
  6. Step 6: Final answer
    x = 2,331.97

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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.