Home / 2,726.88-4,090.74-1,083.39

Finding the Fourth Proportional to 2,726.88, 4,090.74 and 1,083.39

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Solution

The fourth proportional to 2,726.88, 4,090.74 and 1,083.39 is: 1,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.88 : 4,090.74 = 1,083.39 : x
  2. Step 2: Convert to fraction form
    2,726.88/4,090.74 = 1,083.39/x
  3. Step 3: Cross multiply
    2,726.88x = 4,090.74 × 1,083.39
  4. Step 4: Simplify right side
    2,726.88x = 4,431,866.81
  5. Step 5: Solve for x
    x = 4,431,866.81/2,726.88
  6. Step 6: Final answer
    x = 1,625.25

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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.