Home / 2,478.86-3,716.45-1,163.53

Finding the Fourth Proportional to 2,478.86, 3,716.45 and 1,163.53

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Solution

The fourth proportional to 2,478.86, 3,716.45 and 1,163.53 is: 1,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.86 : 3,716.45 = 1,163.53 : x
  2. Step 2: Convert to fraction form
    2,478.86/3,716.45 = 1,163.53/x
  3. Step 3: Cross multiply
    2,478.86x = 3,716.45 × 1,163.53
  4. Step 4: Simplify right side
    2,478.86x = 4,324,201.07
  5. Step 5: Solve for x
    x = 4,324,201.07/2,478.86
  6. Step 6: Final answer
    x = 1,744.43

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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.