Home / 3,135.98-4,676.57-2,747.79

Finding the Fourth Proportional to 3,135.98, 4,676.57 and 2,747.79

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Solution

The fourth proportional to 3,135.98, 4,676.57 and 2,747.79 is: 4,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.98 : 4,676.57 = 2,747.79 : x
  2. Step 2: Convert to fraction form
    3,135.98/4,676.57 = 2,747.79/x
  3. Step 3: Cross multiply
    3,135.98x = 4,676.57 × 2,747.79
  4. Step 4: Simplify right side
    3,135.98x = 12,850,228.85
  5. Step 5: Solve for x
    x = 12,850,228.85/3,135.98
  6. Step 6: Final answer
    x = 4,097.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.