Home / 3,829.81-5,285.13-2,237.56

Finding the Fourth Proportional to 3,829.81, 5,285.13 and 2,237.56

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Solution

The fourth proportional to 3,829.81, 5,285.13 and 2,237.56 is: 3,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.81 : 5,285.13 = 2,237.56 : x
  2. Step 2: Convert to fraction form
    3,829.81/5,285.13 = 2,237.56/x
  3. Step 3: Cross multiply
    3,829.81x = 5,285.13 × 2,237.56
  4. Step 4: Simplify right side
    3,829.81x = 11,825,795.48
  5. Step 5: Solve for x
    x = 11,825,795.48/3,829.81
  6. Step 6: Final answer
    x = 3,087.83

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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.