Home / 2,852.67-4,279.04-1,391.97

Finding the Fourth Proportional to 2,852.67, 4,279.04 and 1,391.97

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Solution

The fourth proportional to 2,852.67, 4,279.04 and 1,391.97 is: 2,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.67 : 4,279.04 = 1,391.97 : x
  2. Step 2: Convert to fraction form
    2,852.67/4,279.04 = 1,391.97/x
  3. Step 3: Cross multiply
    2,852.67x = 4,279.04 × 1,391.97
  4. Step 4: Simplify right side
    2,852.67x = 5,956,295.31
  5. Step 5: Solve for x
    x = 5,956,295.31/2,852.67
  6. Step 6: Final answer
    x = 2,087.97

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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.