Home / 2,676.54-4,014.81-1,378.38

Finding the Fourth Proportional to 2,676.54, 4,014.81 and 1,378.38

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Solution

The fourth proportional to 2,676.54, 4,014.81 and 1,378.38 is: 2,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.54 : 4,014.81 = 1,378.38 : x
  2. Step 2: Convert to fraction form
    2,676.54/4,014.81 = 1,378.38/x
  3. Step 3: Cross multiply
    2,676.54x = 4,014.81 × 1,378.38
  4. Step 4: Simplify right side
    2,676.54x = 5,533,933.81
  5. Step 5: Solve for x
    x = 5,533,933.81/2,676.54
  6. Step 6: Final answer
    x = 2,067.57

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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.