Home / 3,112.60-4,672.86-2,676.64

Finding the Fourth Proportional to 3,112.60, 4,672.86 and 2,676.64

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Solution

The fourth proportional to 3,112.60, 4,672.86 and 2,676.64 is: 4,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.60 : 4,672.86 = 2,676.64 : x
  2. Step 2: Convert to fraction form
    3,112.60/4,672.86 = 2,676.64/x
  3. Step 3: Cross multiply
    3,112.60x = 4,672.86 × 2,676.64
  4. Step 4: Simplify right side
    3,112.60x = 12,507,563.99
  5. Step 5: Solve for x
    x = 12,507,563.99/3,112.60
  6. Step 6: Final answer
    x = 4,018.37

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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.