Home / 2,626.08-3,936.64-1,471

Finding the Fourth Proportional to 2,626.08, 3,936.64 and 1,471

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Solution

The fourth proportional to 2,626.08, 3,936.64 and 1,471 is: 2,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.08 : 3,936.64 = 1,471 : x
  2. Step 2: Convert to fraction form
    2,626.08/3,936.64 = 1,471/x
  3. Step 3: Cross multiply
    2,626.08x = 3,936.64 × 1,471
  4. Step 4: Simplify right side
    2,626.08x = 5,790,797.44
  5. Step 5: Solve for x
    x = 5,790,797.44/2,626.08
  6. Step 6: Final answer
    x = 2,205.11

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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.