Home / 3,828.66-5,743.59-1,637.40

Finding the Fourth Proportional to 3,828.66, 5,743.59 and 1,637.40

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Solution

The fourth proportional to 3,828.66, 5,743.59 and 1,637.40 is: 2,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.66 : 5,743.59 = 1,637.40 : x
  2. Step 2: Convert to fraction form
    3,828.66/5,743.59 = 1,637.40/x
  3. Step 3: Cross multiply
    3,828.66x = 5,743.59 × 1,637.40
  4. Step 4: Simplify right side
    3,828.66x = 9,404,554.27
  5. Step 5: Solve for x
    x = 9,404,554.27/3,828.66
  6. Step 6: Final answer
    x = 2,456.36

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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.