Home / 3,008.58-4,156.05-2,850.95

Finding the Fourth Proportional to 3,008.58, 4,156.05 and 2,850.95

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Solution

The fourth proportional to 3,008.58, 4,156.05 and 2,850.95 is: 3,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.58 : 4,156.05 = 2,850.95 : x
  2. Step 2: Convert to fraction form
    3,008.58/4,156.05 = 2,850.95/x
  3. Step 3: Cross multiply
    3,008.58x = 4,156.05 × 2,850.95
  4. Step 4: Simplify right side
    3,008.58x = 11,848,669.97
  5. Step 5: Solve for x
    x = 11,848,669.97/3,008.58
  6. Step 6: Final answer
    x = 3,938.29

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1.5x scale

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.