Home / 2,717.15-4,075.72-1,072.85

Finding the Fourth Proportional to 2,717.15, 4,075.72 and 1,072.85

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Solution

The fourth proportional to 2,717.15, 4,075.72 and 1,072.85 is: 1,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.15 : 4,075.72 = 1,072.85 : x
  2. Step 2: Convert to fraction form
    2,717.15/4,075.72 = 1,072.85/x
  3. Step 3: Cross multiply
    2,717.15x = 4,075.72 × 1,072.85
  4. Step 4: Simplify right side
    2,717.15x = 4,372,613.14
  5. Step 5: Solve for x
    x = 4,372,613.14/2,717.15
  6. Step 6: Final answer
    x = 1,609.27

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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.