Home / 3,830.56-5,284.51-2,237.09

Finding the Fourth Proportional to 3,830.56, 5,284.51 and 2,237.09

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Solution

The fourth proportional to 3,830.56, 5,284.51 and 2,237.09 is: 3,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.56 : 5,284.51 = 2,237.09 : x
  2. Step 2: Convert to fraction form
    3,830.56/5,284.51 = 2,237.09/x
  3. Step 3: Cross multiply
    3,830.56x = 5,284.51 × 2,237.09
  4. Step 4: Simplify right side
    3,830.56x = 11,821,892.46
  5. Step 5: Solve for x
    x = 11,821,892.46/3,830.56
  6. Step 6: Final answer
    x = 3,086.21

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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.