Home / 3,392.29-5,083.56-1,928.35

Finding the Fourth Proportional to 3,392.29, 5,083.56 and 1,928.35

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Solution

The fourth proportional to 3,392.29, 5,083.56 and 1,928.35 is: 2,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.29 : 5,083.56 = 1,928.35 : x
  2. Step 2: Convert to fraction form
    3,392.29/5,083.56 = 1,928.35/x
  3. Step 3: Cross multiply
    3,392.29x = 5,083.56 × 1,928.35
  4. Step 4: Simplify right side
    3,392.29x = 9,802,882.93
  5. Step 5: Solve for x
    x = 9,802,882.93/3,392.29
  6. Step 6: Final answer
    x = 2,889.75

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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.