Home / 2,631.94-3,631.95-1,512.77

Finding the Fourth Proportional to 2,631.94, 3,631.95 and 1,512.77

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Solution

The fourth proportional to 2,631.94, 3,631.95 and 1,512.77 is: 2,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.94 : 3,631.95 = 1,512.77 : x
  2. Step 2: Convert to fraction form
    2,631.94/3,631.95 = 1,512.77/x
  3. Step 3: Cross multiply
    2,631.94x = 3,631.95 × 1,512.77
  4. Step 4: Simplify right side
    2,631.94x = 5,494,286.84
  5. Step 5: Solve for x
    x = 5,494,286.84/2,631.94
  6. Step 6: Final answer
    x = 2,087.54

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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.