Home / 3,953.70-5,455.94-2,273.96

Finding the Fourth Proportional to 3,953.70, 5,455.94 and 2,273.96

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Solution

The fourth proportional to 3,953.70, 5,455.94 and 2,273.96 is: 3,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.70 : 5,455.94 = 2,273.96 : x
  2. Step 2: Convert to fraction form
    3,953.70/5,455.94 = 2,273.96/x
  3. Step 3: Cross multiply
    3,953.70x = 5,455.94 × 2,273.96
  4. Step 4: Simplify right side
    3,953.70x = 12,406,589.32
  5. Step 5: Solve for x
    x = 12,406,589.32/3,953.70
  6. Step 6: Final answer
    x = 3,137.97

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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.