Home / 2,726.88-4,090.38-1,084.20

Finding the Fourth Proportional to 2,726.88, 4,090.38 and 1,084.20

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Solution

The fourth proportional to 2,726.88, 4,090.38 and 1,084.20 is: 1,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.88 : 4,090.38 = 1,084.20 : x
  2. Step 2: Convert to fraction form
    2,726.88/4,090.38 = 1,084.20/x
  3. Step 3: Cross multiply
    2,726.88x = 4,090.38 × 1,084.20
  4. Step 4: Simplify right side
    2,726.88x = 4,434,790.00
  5. Step 5: Solve for x
    x = 4,434,790.00/2,726.88
  6. Step 6: Final answer
    x = 1,626.32

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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.