Home / 2,727.70-4,091.55-1,804.30

Finding the Fourth Proportional to 2,727.70, 4,091.55 and 1,804.30

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Solution

The fourth proportional to 2,727.70, 4,091.55 and 1,804.30 is: 2,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.70 : 4,091.55 = 1,804.30 : x
  2. Step 2: Convert to fraction form
    2,727.70/4,091.55 = 1,804.30/x
  3. Step 3: Cross multiply
    2,727.70x = 4,091.55 × 1,804.30
  4. Step 4: Simplify right side
    2,727.70x = 7,382,383.67
  5. Step 5: Solve for x
    x = 7,382,383.67/2,727.70
  6. Step 6: Final answer
    x = 2,706.45

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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.