Home / 2,676.44-4,013.35-1,115.98

Finding the Fourth Proportional to 2,676.44, 4,013.35 and 1,115.98

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Solution

The fourth proportional to 2,676.44, 4,013.35 and 1,115.98 is: 1,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.44 : 4,013.35 = 1,115.98 : x
  2. Step 2: Convert to fraction form
    2,676.44/4,013.35 = 1,115.98/x
  3. Step 3: Cross multiply
    2,676.44x = 4,013.35 × 1,115.98
  4. Step 4: Simplify right side
    2,676.44x = 4,478,805.51
  5. Step 5: Solve for x
    x = 4,478,805.51/2,676.44
  6. Step 6: Final answer
    x = 1,673.42

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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.