Home / 2,163.72-3,238.43-1,175.01

Finding the Fourth Proportional to 2,163.72, 3,238.43 and 1,175.01

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Solution

The fourth proportional to 2,163.72, 3,238.43 and 1,175.01 is: 1,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.72 : 3,238.43 = 1,175.01 : x
  2. Step 2: Convert to fraction form
    2,163.72/3,238.43 = 1,175.01/x
  3. Step 3: Cross multiply
    2,163.72x = 3,238.43 × 1,175.01
  4. Step 4: Simplify right side
    2,163.72x = 3,805,181.76
  5. Step 5: Solve for x
    x = 3,805,181.76/2,163.72
  6. Step 6: Final answer
    x = 1,758.63

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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.