Home / 2,319.99-3,481.11-1,021.29

Finding the Fourth Proportional to 2,319.99, 3,481.11 and 1,021.29

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Solution

The fourth proportional to 2,319.99, 3,481.11 and 1,021.29 is: 1,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.99 : 3,481.11 = 1,021.29 : x
  2. Step 2: Convert to fraction form
    2,319.99/3,481.11 = 1,021.29/x
  3. Step 3: Cross multiply
    2,319.99x = 3,481.11 × 1,021.29
  4. Step 4: Simplify right side
    2,319.99x = 3,555,222.83
  5. Step 5: Solve for x
    x = 3,555,222.83/2,319.99
  6. Step 6: Final answer
    x = 1,532.43

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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.