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Finding the Fourth Proportional to 3,474.75, 4,795.16 and 2,077.83

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Solution

The fourth proportional to 3,474.75, 4,795.16 and 2,077.83 is: 2,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.75 : 4,795.16 = 2,077.83 : x
  2. Step 2: Convert to fraction form
    3,474.75/4,795.16 = 2,077.83/x
  3. Step 3: Cross multiply
    3,474.75x = 4,795.16 × 2,077.83
  4. Step 4: Simplify right side
    3,474.75x = 9,963,516.91
  5. Step 5: Solve for x
    x = 9,963,516.91/3,474.75
  6. Step 6: Final answer
    x = 2,867.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.