Home / 2,676.54-4,012.50-1,287.96

Finding the Fourth Proportional to 2,676.54, 4,012.50 and 1,287.96

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Solution

The fourth proportional to 2,676.54, 4,012.50 and 1,287.96 is: 1,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.54 : 4,012.50 = 1,287.96 : x
  2. Step 2: Convert to fraction form
    2,676.54/4,012.50 = 1,287.96/x
  3. Step 3: Cross multiply
    2,676.54x = 4,012.50 × 1,287.96
  4. Step 4: Simplify right side
    2,676.54x = 5,167,956.96
  5. Step 5: Solve for x
    x = 5,167,956.96/2,676.54
  6. Step 6: Final answer
    x = 1,930.84

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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.