Home / 2,669.78-3,683.66-1,550.07

Finding the Fourth Proportional to 2,669.78, 3,683.66 and 1,550.07

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Solution

The fourth proportional to 2,669.78, 3,683.66 and 1,550.07 is: 2,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.78 : 3,683.66 = 1,550.07 : x
  2. Step 2: Convert to fraction form
    2,669.78/3,683.66 = 1,550.07/x
  3. Step 3: Cross multiply
    2,669.78x = 3,683.66 × 1,550.07
  4. Step 4: Simplify right side
    2,669.78x = 5,709,930.86
  5. Step 5: Solve for x
    x = 5,709,930.86/2,669.78
  6. Step 6: Final answer
    x = 2,138.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.