Home / 2,833.32-4,245.75-1,905.78

Finding the Fourth Proportional to 2,833.32, 4,245.75 and 1,905.78

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Solution

The fourth proportional to 2,833.32, 4,245.75 and 1,905.78 is: 2,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.32 : 4,245.75 = 1,905.78 : x
  2. Step 2: Convert to fraction form
    2,833.32/4,245.75 = 1,905.78/x
  3. Step 3: Cross multiply
    2,833.32x = 4,245.75 × 1,905.78
  4. Step 4: Simplify right side
    2,833.32x = 8,091,465.44
  5. Step 5: Solve for x
    x = 8,091,465.44/2,833.32
  6. Step 6: Final answer
    x = 2,855.82

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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.