Home / 2,245.02-3,373.60-1,205.78

Finding the Fourth Proportional to 2,245.02, 3,373.60 and 1,205.78

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Solution

The fourth proportional to 2,245.02, 3,373.60 and 1,205.78 is: 1,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.02 : 3,373.60 = 1,205.78 : x
  2. Step 2: Convert to fraction form
    2,245.02/3,373.60 = 1,205.78/x
  3. Step 3: Cross multiply
    2,245.02x = 3,373.60 × 1,205.78
  4. Step 4: Simplify right side
    2,245.02x = 4,067,819.41
  5. Step 5: Solve for x
    x = 4,067,819.41/2,245.02
  6. Step 6: Final answer
    x = 1,811.93

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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.