Home / 2,776.53-4,163.64-1,131.96

Finding the Fourth Proportional to 2,776.53, 4,163.64 and 1,131.96

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Solution

The fourth proportional to 2,776.53, 4,163.64 and 1,131.96 is: 1,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.53 : 4,163.64 = 1,131.96 : x
  2. Step 2: Convert to fraction form
    2,776.53/4,163.64 = 1,131.96/x
  3. Step 3: Cross multiply
    2,776.53x = 4,163.64 × 1,131.96
  4. Step 4: Simplify right side
    2,776.53x = 4,713,073.93
  5. Step 5: Solve for x
    x = 4,713,073.93/2,776.53
  6. Step 6: Final answer
    x = 1,697.47

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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.