Home / 2,168.24-2,965.78-2,134.32

Finding the Fourth Proportional to 2,168.24, 2,965.78 and 2,134.32

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Solution

The fourth proportional to 2,168.24, 2,965.78 and 2,134.32 is: 2,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.24 : 2,965.78 = 2,134.32 : x
  2. Step 2: Convert to fraction form
    2,168.24/2,965.78 = 2,134.32/x
  3. Step 3: Cross multiply
    2,168.24x = 2,965.78 × 2,134.32
  4. Step 4: Simplify right side
    2,168.24x = 6,329,923.57
  5. Step 5: Solve for x
    x = 6,329,923.57/2,168.24
  6. Step 6: Final answer
    x = 2,919.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.