Home / 2,716.68-4,075.36-961.27

Finding the Fourth Proportional to 2,716.68, 4,075.36 and 961.27

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Solution

The fourth proportional to 2,716.68, 4,075.36 and 961.27 is: 1,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.68 : 4,075.36 = 961.27 : x
  2. Step 2: Convert to fraction form
    2,716.68/4,075.36 = 961.27/x
  3. Step 3: Cross multiply
    2,716.68x = 4,075.36 × 961.27
  4. Step 4: Simplify right side
    2,716.68x = 3,917,508.72
  5. Step 5: Solve for x
    x = 3,917,508.72/2,716.68
  6. Step 6: Final answer
    x = 1,442.02

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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.