Home / 3,077.56-4,617.42-1,921.96

Finding the Fourth Proportional to 3,077.56, 4,617.42 and 1,921.96

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Solution

The fourth proportional to 3,077.56, 4,617.42 and 1,921.96 is: 2,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.56 : 4,617.42 = 1,921.96 : x
  2. Step 2: Convert to fraction form
    3,077.56/4,617.42 = 1,921.96/x
  3. Step 3: Cross multiply
    3,077.56x = 4,617.42 × 1,921.96
  4. Step 4: Simplify right side
    3,077.56x = 8,874,463.85
  5. Step 5: Solve for x
    x = 8,874,463.85/3,077.56
  6. Step 6: Final answer
    x = 2,883.61

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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.