Home / 2,774.14-4,160.71-1,213.84

Finding the Fourth Proportional to 2,774.14, 4,160.71 and 1,213.84

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Solution

The fourth proportional to 2,774.14, 4,160.71 and 1,213.84 is: 1,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.14 : 4,160.71 = 1,213.84 : x
  2. Step 2: Convert to fraction form
    2,774.14/4,160.71 = 1,213.84/x
  3. Step 3: Cross multiply
    2,774.14x = 4,160.71 × 1,213.84
  4. Step 4: Simplify right side
    2,774.14x = 5,050,436.23
  5. Step 5: Solve for x
    x = 5,050,436.23/2,774.14
  6. Step 6: Final answer
    x = 1,820.54

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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.