Home / 4,315.72-5,942.34-3,255

Finding the Fourth Proportional to 4,315.72, 5,942.34 and 3,255

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Solution

The fourth proportional to 4,315.72, 5,942.34 and 3,255 is: 4,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.72 : 5,942.34 = 3,255 : x
  2. Step 2: Convert to fraction form
    4,315.72/5,942.34 = 3,255/x
  3. Step 3: Cross multiply
    4,315.72x = 5,942.34 × 3,255
  4. Step 4: Simplify right side
    4,315.72x = 19,342,316.70
  5. Step 5: Solve for x
    x = 19,342,316.70/4,315.72
  6. Step 6: Final answer
    x = 4,481.83

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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.