Home / 3,212.53-4,819.60-1,264.88

Finding the Fourth Proportional to 3,212.53, 4,819.60 and 1,264.88

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Solution

The fourth proportional to 3,212.53, 4,819.60 and 1,264.88 is: 1,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.53 : 4,819.60 = 1,264.88 : x
  2. Step 2: Convert to fraction form
    3,212.53/4,819.60 = 1,264.88/x
  3. Step 3: Cross multiply
    3,212.53x = 4,819.60 × 1,264.88
  4. Step 4: Simplify right side
    3,212.53x = 6,096,229.28
  5. Step 5: Solve for x
    x = 6,096,229.28/3,212.53
  6. Step 6: Final answer
    x = 1,897.64

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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.