Home / 3,072.03-4,608.36-1,124.79

Finding the Fourth Proportional to 3,072.03, 4,608.36 and 1,124.79

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Solution

The fourth proportional to 3,072.03, 4,608.36 and 1,124.79 is: 1,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.03 : 4,608.36 = 1,124.79 : x
  2. Step 2: Convert to fraction form
    3,072.03/4,608.36 = 1,124.79/x
  3. Step 3: Cross multiply
    3,072.03x = 4,608.36 × 1,124.79
  4. Step 4: Simplify right side
    3,072.03x = 5,183,437.24
  5. Step 5: Solve for x
    x = 5,183,437.24/3,072.03
  6. Step 6: Final answer
    x = 1,687.30

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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.