Home / 2,607.32-3,908.25-1,912.95

Finding the Fourth Proportional to 2,607.32, 3,908.25 and 1,912.95

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Solution

The fourth proportional to 2,607.32, 3,908.25 and 1,912.95 is: 2,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.32 : 3,908.25 = 1,912.95 : x
  2. Step 2: Convert to fraction form
    2,607.32/3,908.25 = 1,912.95/x
  3. Step 3: Cross multiply
    2,607.32x = 3,908.25 × 1,912.95
  4. Step 4: Simplify right side
    2,607.32x = 7,476,286.84
  5. Step 5: Solve for x
    x = 7,476,286.84/2,607.32
  6. Step 6: Final answer
    x = 2,867.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.