Home / 2,619.36-3,614.25-1,571.44

Finding the Fourth Proportional to 2,619.36, 3,614.25 and 1,571.44

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Solution

The fourth proportional to 2,619.36, 3,614.25 and 1,571.44 is: 2,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.36 : 3,614.25 = 1,571.44 : x
  2. Step 2: Convert to fraction form
    2,619.36/3,614.25 = 1,571.44/x
  3. Step 3: Cross multiply
    2,619.36x = 3,614.25 × 1,571.44
  4. Step 4: Simplify right side
    2,619.36x = 5,679,577.02
  5. Step 5: Solve for x
    x = 5,679,577.02/2,619.36
  6. Step 6: Final answer
    x = 2,168.31

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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.