Home / 2,380.24-3,277.26-2,161.54

Finding the Fourth Proportional to 2,380.24, 3,277.26 and 2,161.54

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Solution

The fourth proportional to 2,380.24, 3,277.26 and 2,161.54 is: 2,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.24 : 3,277.26 = 2,161.54 : x
  2. Step 2: Convert to fraction form
    2,380.24/3,277.26 = 2,161.54/x
  3. Step 3: Cross multiply
    2,380.24x = 3,277.26 × 2,161.54
  4. Step 4: Simplify right side
    2,380.24x = 7,083,928.58
  5. Step 5: Solve for x
    x = 7,083,928.58/2,380.24
  6. Step 6: Final answer
    x = 2,976.14

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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.