Home / 2,804.36-4,205.06-1,243.68

Finding the Fourth Proportional to 2,804.36, 4,205.06 and 1,243.68

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Solution

The fourth proportional to 2,804.36, 4,205.06 and 1,243.68 is: 1,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.36 : 4,205.06 = 1,243.68 : x
  2. Step 2: Convert to fraction form
    2,804.36/4,205.06 = 1,243.68/x
  3. Step 3: Cross multiply
    2,804.36x = 4,205.06 × 1,243.68
  4. Step 4: Simplify right side
    2,804.36x = 5,229,768.85
  5. Step 5: Solve for x
    x = 5,229,768.85/2,804.36
  6. Step 6: Final answer
    x = 1,864.87

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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.