Home / 1,231.98-1,846.25-1,048.65

Finding the Fourth Proportional to 1,231.98, 1,846.25 and 1,048.65

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Solution

The fourth proportional to 1,231.98, 1,846.25 and 1,048.65 is: 1,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.98 : 1,846.25 = 1,048.65 : x
  2. Step 2: Convert to fraction form
    1,231.98/1,846.25 = 1,048.65/x
  3. Step 3: Cross multiply
    1,231.98x = 1,846.25 × 1,048.65
  4. Step 4: Simplify right side
    1,231.98x = 1,936,064.82
  5. Step 5: Solve for x
    x = 1,936,064.82/1,231.98
  6. Step 6: Final answer
    x = 1,571.51

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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.