Home / 2,872.88-4,302.68-1,716.08

Finding the Fourth Proportional to 2,872.88, 4,302.68 and 1,716.08

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Solution

The fourth proportional to 2,872.88, 4,302.68 and 1,716.08 is: 2,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.88 : 4,302.68 = 1,716.08 : x
  2. Step 2: Convert to fraction form
    2,872.88/4,302.68 = 1,716.08/x
  3. Step 3: Cross multiply
    2,872.88x = 4,302.68 × 1,716.08
  4. Step 4: Simplify right side
    2,872.88x = 7,383,743.09
  5. Step 5: Solve for x
    x = 7,383,743.09/2,872.88
  6. Step 6: Final answer
    x = 2,570.15

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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.