Home / 3,389.41-5,074.62-2,760.94

Finding the Fourth Proportional to 3,389.41, 5,074.62 and 2,760.94

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Solution

The fourth proportional to 3,389.41, 5,074.62 and 2,760.94 is: 4,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.41 : 5,074.62 = 2,760.94 : x
  2. Step 2: Convert to fraction form
    3,389.41/5,074.62 = 2,760.94/x
  3. Step 3: Cross multiply
    3,389.41x = 5,074.62 × 2,760.94
  4. Step 4: Simplify right side
    3,389.41x = 14,010,721.34
  5. Step 5: Solve for x
    x = 14,010,721.34/3,389.41
  6. Step 6: Final answer
    x = 4,133.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.