Home / 2,351.66-3,245.11-1,289.25

Finding the Fourth Proportional to 2,351.66, 3,245.11 and 1,289.25

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Solution

The fourth proportional to 2,351.66, 3,245.11 and 1,289.25 is: 1,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.66 : 3,245.11 = 1,289.25 : x
  2. Step 2: Convert to fraction form
    2,351.66/3,245.11 = 1,289.25/x
  3. Step 3: Cross multiply
    2,351.66x = 3,245.11 × 1,289.25
  4. Step 4: Simplify right side
    2,351.66x = 4,183,751.62
  5. Step 5: Solve for x
    x = 4,183,751.62/2,351.66
  6. Step 6: Final answer
    x = 1,779.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.