Home / 2,728.38-4,069.64-2,546.94

Finding the Fourth Proportional to 2,728.38, 4,069.64 and 2,546.94

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Solution

The fourth proportional to 2,728.38, 4,069.64 and 2,546.94 is: 3,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.38 : 4,069.64 = 2,546.94 : x
  2. Step 2: Convert to fraction form
    2,728.38/4,069.64 = 2,546.94/x
  3. Step 3: Cross multiply
    2,728.38x = 4,069.64 × 2,546.94
  4. Step 4: Simplify right side
    2,728.38x = 10,365,116.17
  5. Step 5: Solve for x
    x = 10,365,116.17/2,728.38
  6. Step 6: Final answer
    x = 3,799.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.