Home / 2,717.72-4,075.08-1,255.56

Finding the Fourth Proportional to 2,717.72, 4,075.08 and 1,255.56

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Solution

The fourth proportional to 2,717.72, 4,075.08 and 1,255.56 is: 1,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.72 : 4,075.08 = 1,255.56 : x
  2. Step 2: Convert to fraction form
    2,717.72/4,075.08 = 1,255.56/x
  3. Step 3: Cross multiply
    2,717.72x = 4,075.08 × 1,255.56
  4. Step 4: Simplify right side
    2,717.72x = 5,116,507.44
  5. Step 5: Solve for x
    x = 5,116,507.44/2,717.72
  6. Step 6: Final answer
    x = 1,882.65

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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.