Home / 3,213.06-4,819.88-1,264.80

Finding the Fourth Proportional to 3,213.06, 4,819.88 and 1,264.80

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Solution

The fourth proportional to 3,213.06, 4,819.88 and 1,264.80 is: 1,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.06 : 4,819.88 = 1,264.80 : x
  2. Step 2: Convert to fraction form
    3,213.06/4,819.88 = 1,264.80/x
  3. Step 3: Cross multiply
    3,213.06x = 4,819.88 × 1,264.80
  4. Step 4: Simplify right side
    3,213.06x = 6,096,184.22
  5. Step 5: Solve for x
    x = 6,096,184.22/3,213.06
  6. Step 6: Final answer
    x = 1,897.31

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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.