Home / 2,988.56-4,481.44-1,601.64

Finding the Fourth Proportional to 2,988.56, 4,481.44 and 1,601.64

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Solution

The fourth proportional to 2,988.56, 4,481.44 and 1,601.64 is: 2,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.56 : 4,481.44 = 1,601.64 : x
  2. Step 2: Convert to fraction form
    2,988.56/4,481.44 = 1,601.64/x
  3. Step 3: Cross multiply
    2,988.56x = 4,481.44 × 1,601.64
  4. Step 4: Simplify right side
    2,988.56x = 7,177,653.56
  5. Step 5: Solve for x
    x = 7,177,653.56/2,988.56
  6. Step 6: Final answer
    x = 2,401.71

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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.