Home / 3,091.12-4,632.55-2,678.33

Finding the Fourth Proportional to 3,091.12, 4,632.55 and 2,678.33

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Solution

The fourth proportional to 3,091.12, 4,632.55 and 2,678.33 is: 4,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.12 : 4,632.55 = 2,678.33 : x
  2. Step 2: Convert to fraction form
    3,091.12/4,632.55 = 2,678.33/x
  3. Step 3: Cross multiply
    3,091.12x = 4,632.55 × 2,678.33
  4. Step 4: Simplify right side
    3,091.12x = 12,407,497.64
  5. Step 5: Solve for x
    x = 12,407,497.64/3,091.12
  6. Step 6: Final answer
    x = 4,013.92

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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.