Home / 2,578.19-3,557.97-1,584.05

Finding the Fourth Proportional to 2,578.19, 3,557.97 and 1,584.05

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Solution

The fourth proportional to 2,578.19, 3,557.97 and 1,584.05 is: 2,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.19 : 3,557.97 = 1,584.05 : x
  2. Step 2: Convert to fraction form
    2,578.19/3,557.97 = 1,584.05/x
  3. Step 3: Cross multiply
    2,578.19x = 3,557.97 × 1,584.05
  4. Step 4: Simplify right side
    2,578.19x = 5,635,984.59
  5. Step 5: Solve for x
    x = 5,635,984.59/2,578.19
  6. Step 6: Final answer
    x = 2,186.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.