Home / 2,544.28-3,817.99-1,138.68

Finding the Fourth Proportional to 2,544.28, 3,817.99 and 1,138.68

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Solution

The fourth proportional to 2,544.28, 3,817.99 and 1,138.68 is: 1,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.28 : 3,817.99 = 1,138.68 : x
  2. Step 2: Convert to fraction form
    2,544.28/3,817.99 = 1,138.68/x
  3. Step 3: Cross multiply
    2,544.28x = 3,817.99 × 1,138.68
  4. Step 4: Simplify right side
    2,544.28x = 4,347,484.22
  5. Step 5: Solve for x
    x = 4,347,484.22/2,544.28
  6. Step 6: Final answer
    x = 1,708.73

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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.