Home / 2,717.68-4,075.87-1,255.43

Finding the Fourth Proportional to 2,717.68, 4,075.87 and 1,255.43

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Solution

The fourth proportional to 2,717.68, 4,075.87 and 1,255.43 is: 1,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.68 : 4,075.87 = 1,255.43 : x
  2. Step 2: Convert to fraction form
    2,717.68/4,075.87 = 1,255.43/x
  3. Step 3: Cross multiply
    2,717.68x = 4,075.87 × 1,255.43
  4. Step 4: Simplify right side
    2,717.68x = 5,116,969.47
  5. Step 5: Solve for x
    x = 5,116,969.47/2,717.68
  6. Step 6: Final answer
    x = 1,882.84

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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.