Home / 3,830.33-5,285.85-2,238.07

Finding the Fourth Proportional to 3,830.33, 5,285.85 and 2,238.07

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Solution

The fourth proportional to 3,830.33, 5,285.85 and 2,238.07 is: 3,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.33 : 5,285.85 = 2,238.07 : x
  2. Step 2: Convert to fraction form
    3,830.33/5,285.85 = 2,238.07/x
  3. Step 3: Cross multiply
    3,830.33x = 5,285.85 × 2,238.07
  4. Step 4: Simplify right side
    3,830.33x = 11,830,102.31
  5. Step 5: Solve for x
    x = 11,830,102.31/3,830.33
  6. Step 6: Final answer
    x = 3,088.53

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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.