Home / 3,830.49-5,285.55-2,237.02

Finding the Fourth Proportional to 3,830.49, 5,285.55 and 2,237.02

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Solution

The fourth proportional to 3,830.49, 5,285.55 and 2,237.02 is: 3,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.49 : 5,285.55 = 2,237.02 : x
  2. Step 2: Convert to fraction form
    3,830.49/5,285.55 = 2,237.02/x
  3. Step 3: Cross multiply
    3,830.49x = 5,285.55 × 2,237.02
  4. Step 4: Simplify right side
    3,830.49x = 11,823,876.24
  5. Step 5: Solve for x
    x = 11,823,876.24/3,830.49
  6. Step 6: Final answer
    x = 3,086.78

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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.