Home / 3,828.68-5,743.56-1,230.74

Finding the Fourth Proportional to 3,828.68, 5,743.56 and 1,230.74

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Solution

The fourth proportional to 3,828.68, 5,743.56 and 1,230.74 is: 1,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.68 : 5,743.56 = 1,230.74 : x
  2. Step 2: Convert to fraction form
    3,828.68/5,743.56 = 1,230.74/x
  3. Step 3: Cross multiply
    3,828.68x = 5,743.56 × 1,230.74
  4. Step 4: Simplify right side
    3,828.68x = 7,068,829.03
  5. Step 5: Solve for x
    x = 7,068,829.03/3,828.68
  6. Step 6: Final answer
    x = 1,846.28

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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.