Home / 3,135.37-4,702.67-1,819.84

Finding the Fourth Proportional to 3,135.37, 4,702.67 and 1,819.84

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Solution

The fourth proportional to 3,135.37, 4,702.67 and 1,819.84 is: 2,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.37 : 4,702.67 = 1,819.84 : x
  2. Step 2: Convert to fraction form
    3,135.37/4,702.67 = 1,819.84/x
  3. Step 3: Cross multiply
    3,135.37x = 4,702.67 × 1,819.84
  4. Step 4: Simplify right side
    3,135.37x = 8,558,112.99
  5. Step 5: Solve for x
    x = 8,558,112.99/3,135.37
  6. Step 6: Final answer
    x = 2,729.54

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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.