Home / 2,694.24-4,040.89-745.98

Finding the Fourth Proportional to 2,694.24, 4,040.89 and 745.98

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Solution

The fourth proportional to 2,694.24, 4,040.89 and 745.98 is: 1,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.24 : 4,040.89 = 745.98 : x
  2. Step 2: Convert to fraction form
    2,694.24/4,040.89 = 745.98/x
  3. Step 3: Cross multiply
    2,694.24x = 4,040.89 × 745.98
  4. Step 4: Simplify right side
    2,694.24x = 3,014,440.20
  5. Step 5: Solve for x
    x = 3,014,440.20/2,694.24
  6. Step 6: Final answer
    x = 1,118.85

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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.