Home / 2,768.55-4,150.67-1,671.27

Finding the Fourth Proportional to 2,768.55, 4,150.67 and 1,671.27

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Solution

The fourth proportional to 2,768.55, 4,150.67 and 1,671.27 is: 2,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.55 : 4,150.67 = 1,671.27 : x
  2. Step 2: Convert to fraction form
    2,768.55/4,150.67 = 1,671.27/x
  3. Step 3: Cross multiply
    2,768.55x = 4,150.67 × 1,671.27
  4. Step 4: Simplify right side
    2,768.55x = 6,936,881.89
  5. Step 5: Solve for x
    x = 6,936,881.89/2,768.55
  6. Step 6: Final answer
    x = 2,505.60

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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.