Home / 2,717.27-3,745.80-1,970.04

Finding the Fourth Proportional to 2,717.27, 3,745.80 and 1,970.04

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Solution

The fourth proportional to 2,717.27, 3,745.80 and 1,970.04 is: 2,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.27 : 3,745.80 = 1,970.04 : x
  2. Step 2: Convert to fraction form
    2,717.27/3,745.80 = 1,970.04/x
  3. Step 3: Cross multiply
    2,717.27x = 3,745.80 × 1,970.04
  4. Step 4: Simplify right side
    2,717.27x = 7,379,375.83
  5. Step 5: Solve for x
    x = 7,379,375.83/2,717.27
  6. Step 6: Final answer
    x = 2,715.73

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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.