Home / 3,392.48-5,081.60-2,159.28

Finding the Fourth Proportional to 3,392.48, 5,081.60 and 2,159.28

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Solution

The fourth proportional to 3,392.48, 5,081.60 and 2,159.28 is: 3,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.48 : 5,081.60 = 2,159.28 : x
  2. Step 2: Convert to fraction form
    3,392.48/5,081.60 = 2,159.28/x
  3. Step 3: Cross multiply
    3,392.48x = 5,081.60 × 2,159.28
  4. Step 4: Simplify right side
    3,392.48x = 10,972,597.25
  5. Step 5: Solve for x
    x = 10,972,597.25/3,392.48
  6. Step 6: Final answer
    x = 3,234.39

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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.