Home / 2,912.26-4,017.18-2,717.86

Finding the Fourth Proportional to 2,912.26, 4,017.18 and 2,717.86

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Solution

The fourth proportional to 2,912.26, 4,017.18 and 2,717.86 is: 3,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.26 : 4,017.18 = 2,717.86 : x
  2. Step 2: Convert to fraction form
    2,912.26/4,017.18 = 2,717.86/x
  3. Step 3: Cross multiply
    2,912.26x = 4,017.18 × 2,717.86
  4. Step 4: Simplify right side
    2,912.26x = 10,918,132.83
  5. Step 5: Solve for x
    x = 10,918,132.83/2,912.26
  6. Step 6: Final answer
    x = 3,749.02

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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.