Home / 2,623.78-3,936.35-1,162.58

Finding the Fourth Proportional to 2,623.78, 3,936.35 and 1,162.58

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Solution

The fourth proportional to 2,623.78, 3,936.35 and 1,162.58 is: 1,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.78 : 3,936.35 = 1,162.58 : x
  2. Step 2: Convert to fraction form
    2,623.78/3,936.35 = 1,162.58/x
  3. Step 3: Cross multiply
    2,623.78x = 3,936.35 × 1,162.58
  4. Step 4: Simplify right side
    2,623.78x = 4,576,315.97
  5. Step 5: Solve for x
    x = 4,576,315.97/2,623.78
  6. Step 6: Final answer
    x = 1,744.17

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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.