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Finding the Fourth Proportional to 2,044.51, 3,065.70 and 727.75

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Solution

The fourth proportional to 2,044.51, 3,065.70 and 727.75 is: 1,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.51 : 3,065.70 = 727.75 : x
  2. Step 2: Convert to fraction form
    2,044.51/3,065.70 = 727.75/x
  3. Step 3: Cross multiply
    2,044.51x = 3,065.70 × 727.75
  4. Step 4: Simplify right side
    2,044.51x = 2,231,065.64
  5. Step 5: Solve for x
    x = 2,231,065.64/2,044.51
  6. Step 6: Final answer
    x = 1,091.25

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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.