Home / 2,120.26-2,923.94-1,622.92

Finding the Fourth Proportional to 2,120.26, 2,923.94 and 1,622.92

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Solution

The fourth proportional to 2,120.26, 2,923.94 and 1,622.92 is: 2,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.26 : 2,923.94 = 1,622.92 : x
  2. Step 2: Convert to fraction form
    2,120.26/2,923.94 = 1,622.92/x
  3. Step 3: Cross multiply
    2,120.26x = 2,923.94 × 1,622.92
  4. Step 4: Simplify right side
    2,120.26x = 4,745,320.70
  5. Step 5: Solve for x
    x = 4,745,320.70/2,120.26
  6. Step 6: Final answer
    x = 2,238.08

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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.