Home / 2,726.80-4,087.77-2,268.34

Finding the Fourth Proportional to 2,726.80, 4,087.77 and 2,268.34

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Solution

The fourth proportional to 2,726.80, 4,087.77 and 2,268.34 is: 3,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.80 : 4,087.77 = 2,268.34 : x
  2. Step 2: Convert to fraction form
    2,726.80/4,087.77 = 2,268.34/x
  3. Step 3: Cross multiply
    2,726.80x = 4,087.77 × 2,268.34
  4. Step 4: Simplify right side
    2,726.80x = 9,272,452.20
  5. Step 5: Solve for x
    x = 9,272,452.20/2,726.80
  6. Step 6: Final answer
    x = 3,400.49

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1.5x scale

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.