Home / 1,622.44-2,238.90-923.83

Finding the Fourth Proportional to 1,622.44, 2,238.90 and 923.83

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Solution

The fourth proportional to 1,622.44, 2,238.90 and 923.83 is: 1,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.44 : 2,238.90 = 923.83 : x
  2. Step 2: Convert to fraction form
    1,622.44/2,238.90 = 923.83/x
  3. Step 3: Cross multiply
    1,622.44x = 2,238.90 × 923.83
  4. Step 4: Simplify right side
    1,622.44x = 2,068,362.99
  5. Step 5: Solve for x
    x = 2,068,362.99/1,622.44
  6. Step 6: Final answer
    x = 1,274.85

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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.