Home / 3,836.54-5,294.43-2,157.95

Finding the Fourth Proportional to 3,836.54, 5,294.43 and 2,157.95

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Solution

The fourth proportional to 3,836.54, 5,294.43 and 2,157.95 is: 2,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.54 : 5,294.43 = 2,157.95 : x
  2. Step 2: Convert to fraction form
    3,836.54/5,294.43 = 2,157.95/x
  3. Step 3: Cross multiply
    3,836.54x = 5,294.43 × 2,157.95
  4. Step 4: Simplify right side
    3,836.54x = 11,425,128.45
  5. Step 5: Solve for x
    x = 11,425,128.45/3,836.54
  6. Step 6: Final answer
    x = 2,977.98

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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.