Home / 3,829.14-5,742.51-1,231.50

Finding the Fourth Proportional to 3,829.14, 5,742.51 and 1,231.50

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Solution

The fourth proportional to 3,829.14, 5,742.51 and 1,231.50 is: 1,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.14 : 5,742.51 = 1,231.50 : x
  2. Step 2: Convert to fraction form
    3,829.14/5,742.51 = 1,231.50/x
  3. Step 3: Cross multiply
    3,829.14x = 5,742.51 × 1,231.50
  4. Step 4: Simplify right side
    3,829.14x = 7,071,901.07
  5. Step 5: Solve for x
    x = 7,071,901.07/3,829.14
  6. Step 6: Final answer
    x = 1,846.86

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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.