Home / 2,804.28-4,208.23-1,072.90

Finding the Fourth Proportional to 2,804.28, 4,208.23 and 1,072.90

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Solution

The fourth proportional to 2,804.28, 4,208.23 and 1,072.90 is: 1,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.28 : 4,208.23 = 1,072.90 : x
  2. Step 2: Convert to fraction form
    2,804.28/4,208.23 = 1,072.90/x
  3. Step 3: Cross multiply
    2,804.28x = 4,208.23 × 1,072.90
  4. Step 4: Simplify right side
    2,804.28x = 4,515,016.57
  5. Step 5: Solve for x
    x = 4,515,016.57/2,804.28
  6. Step 6: Final answer
    x = 1,610.05

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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.