Home / 2,209.03-3,047.79-1,324.51

Finding the Fourth Proportional to 2,209.03, 3,047.79 and 1,324.51

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Solution

The fourth proportional to 2,209.03, 3,047.79 and 1,324.51 is: 1,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.03 : 3,047.79 = 1,324.51 : x
  2. Step 2: Convert to fraction form
    2,209.03/3,047.79 = 1,324.51/x
  3. Step 3: Cross multiply
    2,209.03x = 3,047.79 × 1,324.51
  4. Step 4: Simplify right side
    2,209.03x = 4,036,828.33
  5. Step 5: Solve for x
    x = 4,036,828.33/2,209.03
  6. Step 6: Final answer
    x = 1,827.42

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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.