Home / 3,833.50-5,290.24-2,177.50

Finding the Fourth Proportional to 3,833.50, 5,290.24 and 2,177.50

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Solution

The fourth proportional to 3,833.50, 5,290.24 and 2,177.50 is: 3,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.50 : 5,290.24 = 2,177.50 : x
  2. Step 2: Convert to fraction form
    3,833.50/5,290.24 = 2,177.50/x
  3. Step 3: Cross multiply
    3,833.50x = 5,290.24 × 2,177.50
  4. Step 4: Simplify right side
    3,833.50x = 11,519,497.60
  5. Step 5: Solve for x
    x = 11,519,497.60/3,833.50
  6. Step 6: Final answer
    x = 3,004.96

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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.