Home / 4,239.96-5,851.44-2,351.72

Finding the Fourth Proportional to 4,239.96, 5,851.44 and 2,351.72

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Solution

The fourth proportional to 4,239.96, 5,851.44 and 2,351.72 is: 3,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.96 : 5,851.44 = 2,351.72 : x
  2. Step 2: Convert to fraction form
    4,239.96/5,851.44 = 2,351.72/x
  3. Step 3: Cross multiply
    4,239.96x = 5,851.44 × 2,351.72
  4. Step 4: Simplify right side
    4,239.96x = 13,760,971.92
  5. Step 5: Solve for x
    x = 13,760,971.92/4,239.96
  6. Step 6: Final answer
    x = 3,245.54

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1.5x scale

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.