Home / 1,622.26-2,238.83-923.63

Finding the Fourth Proportional to 1,622.26, 2,238.83 and 923.63

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Solution

The fourth proportional to 1,622.26, 2,238.83 and 923.63 is: 1,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.26 : 2,238.83 = 923.63 : x
  2. Step 2: Convert to fraction form
    1,622.26/2,238.83 = 923.63/x
  3. Step 3: Cross multiply
    1,622.26x = 2,238.83 × 923.63
  4. Step 4: Simplify right side
    1,622.26x = 2,067,858.46
  5. Step 5: Solve for x
    x = 2,067,858.46/1,622.26
  6. Step 6: Final answer
    x = 1,274.68

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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.