Home / 3,828.88-5,743.64-1,637.62

Finding the Fourth Proportional to 3,828.88, 5,743.64 and 1,637.62

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Solution

The fourth proportional to 3,828.88, 5,743.64 and 1,637.62 is: 2,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.88 : 5,743.64 = 1,637.62 : x
  2. Step 2: Convert to fraction form
    3,828.88/5,743.64 = 1,637.62/x
  3. Step 3: Cross multiply
    3,828.88x = 5,743.64 × 1,637.62
  4. Step 4: Simplify right side
    3,828.88x = 9,405,899.74
  5. Step 5: Solve for x
    x = 9,405,899.74/3,828.88
  6. Step 6: Final answer
    x = 2,456.57

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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.