Home / 3,842.06-5,295.67-2,721.56

Finding the Fourth Proportional to 3,842.06, 5,295.67 and 2,721.56

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Solution

The fourth proportional to 3,842.06, 5,295.67 and 2,721.56 is: 3,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.06 : 5,295.67 = 2,721.56 : x
  2. Step 2: Convert to fraction form
    3,842.06/5,295.67 = 2,721.56/x
  3. Step 3: Cross multiply
    3,842.06x = 5,295.67 × 2,721.56
  4. Step 4: Simplify right side
    3,842.06x = 14,412,485.25
  5. Step 5: Solve for x
    x = 14,412,485.25/3,842.06
  6. Step 6: Final answer
    x = 3,751.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.