Home / 2,827.15-4,238.68-1,900.41

Finding the Fourth Proportional to 2,827.15, 4,238.68 and 1,900.41

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Solution

The fourth proportional to 2,827.15, 4,238.68 and 1,900.41 is: 2,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.15 : 4,238.68 = 1,900.41 : x
  2. Step 2: Convert to fraction form
    2,827.15/4,238.68 = 1,900.41/x
  3. Step 3: Cross multiply
    2,827.15x = 4,238.68 × 1,900.41
  4. Step 4: Simplify right side
    2,827.15x = 8,055,236.62
  5. Step 5: Solve for x
    x = 8,055,236.62/2,827.15
  6. Step 6: Final answer
    x = 2,849.24

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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.