Home / 2,276.73-3,415.80-1,091.25

Finding the Fourth Proportional to 2,276.73, 3,415.80 and 1,091.25

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Solution

The fourth proportional to 2,276.73, 3,415.80 and 1,091.25 is: 1,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.73 : 3,415.80 = 1,091.25 : x
  2. Step 2: Convert to fraction form
    2,276.73/3,415.80 = 1,091.25/x
  3. Step 3: Cross multiply
    2,276.73x = 3,415.80 × 1,091.25
  4. Step 4: Simplify right side
    2,276.73x = 3,727,491.75
  5. Step 5: Solve for x
    x = 3,727,491.75/2,276.73
  6. Step 6: Final answer
    x = 1,637.21

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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.