Home / 3,830.54-5,284.78-2,505.02

Finding the Fourth Proportional to 3,830.54, 5,284.78 and 2,505.02

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Solution

The fourth proportional to 3,830.54, 5,284.78 and 2,505.02 is: 3,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.54 : 5,284.78 = 2,505.02 : x
  2. Step 2: Convert to fraction form
    3,830.54/5,284.78 = 2,505.02/x
  3. Step 3: Cross multiply
    3,830.54x = 5,284.78 × 2,505.02
  4. Step 4: Simplify right side
    3,830.54x = 13,238,446.91
  5. Step 5: Solve for x
    x = 13,238,446.91/3,830.54
  6. Step 6: Final answer
    x = 3,456.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.