Home / 3,782.29-5,670.42-1,806.88

Finding the Fourth Proportional to 3,782.29, 5,670.42 and 1,806.88

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Solution

The fourth proportional to 3,782.29, 5,670.42 and 1,806.88 is: 2,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.29 : 5,670.42 = 1,806.88 : x
  2. Step 2: Convert to fraction form
    3,782.29/5,670.42 = 1,806.88/x
  3. Step 3: Cross multiply
    3,782.29x = 5,670.42 × 1,806.88
  4. Step 4: Simplify right side
    3,782.29x = 10,245,768.49
  5. Step 5: Solve for x
    x = 10,245,768.49/3,782.29
  6. Step 6: Final answer
    x = 2,708.88

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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.