Home / 2,669.86-3,684.39-1,550.85

Finding the Fourth Proportional to 2,669.86, 3,684.39 and 1,550.85

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Solution

The fourth proportional to 2,669.86, 3,684.39 and 1,550.85 is: 2,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.86 : 3,684.39 = 1,550.85 : x
  2. Step 2: Convert to fraction form
    2,669.86/3,684.39 = 1,550.85/x
  3. Step 3: Cross multiply
    2,669.86x = 3,684.39 × 1,550.85
  4. Step 4: Simplify right side
    2,669.86x = 5,713,936.23
  5. Step 5: Solve for x
    x = 5,713,936.23/2,669.86
  6. Step 6: Final answer
    x = 2,140.16

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1.5x scale

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.