Home / 2,409.31-3,324.86-1,305.31

Finding the Fourth Proportional to 2,409.31, 3,324.86 and 1,305.31

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Solution

The fourth proportional to 2,409.31, 3,324.86 and 1,305.31 is: 1,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.31 : 3,324.86 = 1,305.31 : x
  2. Step 2: Convert to fraction form
    2,409.31/3,324.86 = 1,305.31/x
  3. Step 3: Cross multiply
    2,409.31x = 3,324.86 × 1,305.31
  4. Step 4: Simplify right side
    2,409.31x = 4,339,973.01
  5. Step 5: Solve for x
    x = 4,339,973.01/2,409.31
  6. Step 6: Final answer
    x = 1,801.33

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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.