Home / 3,112.76-4,666.26-1,163.48

Finding the Fourth Proportional to 3,112.76, 4,666.26 and 1,163.48

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Solution

The fourth proportional to 3,112.76, 4,666.26 and 1,163.48 is: 1,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.76 : 4,666.26 = 1,163.48 : x
  2. Step 2: Convert to fraction form
    3,112.76/4,666.26 = 1,163.48/x
  3. Step 3: Cross multiply
    3,112.76x = 4,666.26 × 1,163.48
  4. Step 4: Simplify right side
    3,112.76x = 5,429,100.18
  5. Step 5: Solve for x
    x = 5,429,100.18/3,112.76
  6. Step 6: Final answer
    x = 1,744.14

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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.