Home / 2,571.09-3,851.37-1,642.29

Finding the Fourth Proportional to 2,571.09, 3,851.37 and 1,642.29

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Solution

The fourth proportional to 2,571.09, 3,851.37 and 1,642.29 is: 2,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.09 : 3,851.37 = 1,642.29 : x
  2. Step 2: Convert to fraction form
    2,571.09/3,851.37 = 1,642.29/x
  3. Step 3: Cross multiply
    2,571.09x = 3,851.37 × 1,642.29
  4. Step 4: Simplify right side
    2,571.09x = 6,325,066.44
  5. Step 5: Solve for x
    x = 6,325,066.44/2,571.09
  6. Step 6: Final answer
    x = 2,460.07

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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.