Home / 3,829.64-5,285.28-2,338.43

Finding the Fourth Proportional to 3,829.64, 5,285.28 and 2,338.43

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Solution

The fourth proportional to 3,829.64, 5,285.28 and 2,338.43 is: 3,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.64 : 5,285.28 = 2,338.43 : x
  2. Step 2: Convert to fraction form
    3,829.64/5,285.28 = 2,338.43/x
  3. Step 3: Cross multiply
    3,829.64x = 5,285.28 × 2,338.43
  4. Step 4: Simplify right side
    3,829.64x = 12,359,239.65
  5. Step 5: Solve for x
    x = 12,359,239.65/3,829.64
  6. Step 6: Final answer
    x = 3,227.26

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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.