Home / 2,771.04-4,155.48-2,738.64

Finding the Fourth Proportional to 2,771.04, 4,155.48 and 2,738.64

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Solution

The fourth proportional to 2,771.04, 4,155.48 and 2,738.64 is: 4,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.04 : 4,155.48 = 2,738.64 : x
  2. Step 2: Convert to fraction form
    2,771.04/4,155.48 = 2,738.64/x
  3. Step 3: Cross multiply
    2,771.04x = 4,155.48 × 2,738.64
  4. Step 4: Simplify right side
    2,771.04x = 11,380,363.75
  5. Step 5: Solve for x
    x = 11,380,363.75/2,771.04
  6. Step 6: Final answer
    x = 4,106.89

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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.