Home / 2,833.09-4,245.30-1,905.21

Finding the Fourth Proportional to 2,833.09, 4,245.30 and 1,905.21

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Solution

The fourth proportional to 2,833.09, 4,245.30 and 1,905.21 is: 2,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.09 : 4,245.30 = 1,905.21 : x
  2. Step 2: Convert to fraction form
    2,833.09/4,245.30 = 1,905.21/x
  3. Step 3: Cross multiply
    2,833.09x = 4,245.30 × 1,905.21
  4. Step 4: Simplify right side
    2,833.09x = 8,088,188.01
  5. Step 5: Solve for x
    x = 8,088,188.01/2,833.09
  6. Step 6: Final answer
    x = 2,854.90

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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.