Home / 2,456.03-3,388.46-1,393.64

Finding the Fourth Proportional to 2,456.03, 3,388.46 and 1,393.64

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Solution

The fourth proportional to 2,456.03, 3,388.46 and 1,393.64 is: 1,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.03 : 3,388.46 = 1,393.64 : x
  2. Step 2: Convert to fraction form
    2,456.03/3,388.46 = 1,393.64/x
  3. Step 3: Cross multiply
    2,456.03x = 3,388.46 × 1,393.64
  4. Step 4: Simplify right side
    2,456.03x = 4,722,293.39
  5. Step 5: Solve for x
    x = 4,722,293.39/2,456.03
  6. Step 6: Final answer
    x = 1,922.73

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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.