Home / 2,655.96-3,982.62-1,175.64

Finding the Fourth Proportional to 2,655.96, 3,982.62 and 1,175.64

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Solution

The fourth proportional to 2,655.96, 3,982.62 and 1,175.64 is: 1,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.96 : 3,982.62 = 1,175.64 : x
  2. Step 2: Convert to fraction form
    2,655.96/3,982.62 = 1,175.64/x
  3. Step 3: Cross multiply
    2,655.96x = 3,982.62 × 1,175.64
  4. Step 4: Simplify right side
    2,655.96x = 4,682,127.38
  5. Step 5: Solve for x
    x = 4,682,127.38/2,655.96
  6. Step 6: Final answer
    x = 1,762.88

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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.