Home / 2,455.99-3,683.99-1,286.34

Finding the Fourth Proportional to 2,455.99, 3,683.99 and 1,286.34

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Solution

The fourth proportional to 2,455.99, 3,683.99 and 1,286.34 is: 1,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.99 : 3,683.99 = 1,286.34 : x
  2. Step 2: Convert to fraction form
    2,455.99/3,683.99 = 1,286.34/x
  3. Step 3: Cross multiply
    2,455.99x = 3,683.99 × 1,286.34
  4. Step 4: Simplify right side
    2,455.99x = 4,738,845.28
  5. Step 5: Solve for x
    x = 4,738,845.28/2,455.99
  6. Step 6: Final answer
    x = 1,929.51

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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.