Home / 2,823.96-4,211.94-2,774.76

Finding the Fourth Proportional to 2,823.96, 4,211.94 and 2,774.76

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Solution

The fourth proportional to 2,823.96, 4,211.94 and 2,774.76 is: 4,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.96 : 4,211.94 = 2,774.76 : x
  2. Step 2: Convert to fraction form
    2,823.96/4,211.94 = 2,774.76/x
  3. Step 3: Cross multiply
    2,823.96x = 4,211.94 × 2,774.76
  4. Step 4: Simplify right side
    2,823.96x = 11,687,122.63
  5. Step 5: Solve for x
    x = 11,687,122.63/2,823.96
  6. Step 6: Final answer
    x = 4,138.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.