Home / 3,704.22-5,111.31-2,110.68

Finding the Fourth Proportional to 3,704.22, 5,111.31 and 2,110.68

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Solution

The fourth proportional to 3,704.22, 5,111.31 and 2,110.68 is: 2,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.22 : 5,111.31 = 2,110.68 : x
  2. Step 2: Convert to fraction form
    3,704.22/5,111.31 = 2,110.68/x
  3. Step 3: Cross multiply
    3,704.22x = 5,111.31 × 2,110.68
  4. Step 4: Simplify right side
    3,704.22x = 10,788,339.79
  5. Step 5: Solve for x
    x = 10,788,339.79/3,704.22
  6. Step 6: Final answer
    x = 2,912.45

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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.