Home / 2,826.75-4,240.85-1,072.47

Finding the Fourth Proportional to 2,826.75, 4,240.85 and 1,072.47

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Solution

The fourth proportional to 2,826.75, 4,240.85 and 1,072.47 is: 1,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.75 : 4,240.85 = 1,072.47 : x
  2. Step 2: Convert to fraction form
    2,826.75/4,240.85 = 1,072.47/x
  3. Step 3: Cross multiply
    2,826.75x = 4,240.85 × 1,072.47
  4. Step 4: Simplify right side
    2,826.75x = 4,548,179.04
  5. Step 5: Solve for x
    x = 4,548,179.04/2,826.75
  6. Step 6: Final answer
    x = 1,608.98

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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.