Home / 3,224.72-4,837.60-1,276.88

Finding the Fourth Proportional to 3,224.72, 4,837.60 and 1,276.88

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Solution

The fourth proportional to 3,224.72, 4,837.60 and 1,276.88 is: 1,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.72 : 4,837.60 = 1,276.88 : x
  2. Step 2: Convert to fraction form
    3,224.72/4,837.60 = 1,276.88/x
  3. Step 3: Cross multiply
    3,224.72x = 4,837.60 × 1,276.88
  4. Step 4: Simplify right side
    3,224.72x = 6,177,034.69
  5. Step 5: Solve for x
    x = 6,177,034.69/3,224.72
  6. Step 6: Final answer
    x = 1,915.53

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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.