Home / 2,819.02-4,233.40-1,729.78

Finding the Fourth Proportional to 2,819.02, 4,233.40 and 1,729.78

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Solution

The fourth proportional to 2,819.02, 4,233.40 and 1,729.78 is: 2,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.02 : 4,233.40 = 1,729.78 : x
  2. Step 2: Convert to fraction form
    2,819.02/4,233.40 = 1,729.78/x
  3. Step 3: Cross multiply
    2,819.02x = 4,233.40 × 1,729.78
  4. Step 4: Simplify right side
    2,819.02x = 7,322,850.65
  5. Step 5: Solve for x
    x = 7,322,850.65/2,819.02
  6. Step 6: Final answer
    x = 2,597.66

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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.