Home / 4,182.14-5,768.61-2,687.69

Finding the Fourth Proportional to 4,182.14, 5,768.61 and 2,687.69

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Solution

The fourth proportional to 4,182.14, 5,768.61 and 2,687.69 is: 3,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.14 : 5,768.61 = 2,687.69 : x
  2. Step 2: Convert to fraction form
    4,182.14/5,768.61 = 2,687.69/x
  3. Step 3: Cross multiply
    4,182.14x = 5,768.61 × 2,687.69
  4. Step 4: Simplify right side
    4,182.14x = 15,504,235.41
  5. Step 5: Solve for x
    x = 15,504,235.41/4,182.14
  6. Step 6: Final answer
    x = 3,707.25

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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.