Home / 2,717.42-4,074.90-1,072.70

Finding the Fourth Proportional to 2,717.42, 4,074.90 and 1,072.70

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Solution

The fourth proportional to 2,717.42, 4,074.90 and 1,072.70 is: 1,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.42 : 4,074.90 = 1,072.70 : x
  2. Step 2: Convert to fraction form
    2,717.42/4,074.90 = 1,072.70/x
  3. Step 3: Cross multiply
    2,717.42x = 4,074.90 × 1,072.70
  4. Step 4: Simplify right side
    2,717.42x = 4,371,145.23
  5. Step 5: Solve for x
    x = 4,371,145.23/2,717.42
  6. Step 6: Final answer
    x = 1,608.56

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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.