Home / 1,922.40-2,887.24-1,197.04

Finding the Fourth Proportional to 1,922.40, 2,887.24 and 1,197.04

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Solution

The fourth proportional to 1,922.40, 2,887.24 and 1,197.04 is: 1,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.40 : 2,887.24 = 1,197.04 : x
  2. Step 2: Convert to fraction form
    1,922.40/2,887.24 = 1,197.04/x
  3. Step 3: Cross multiply
    1,922.40x = 2,887.24 × 1,197.04
  4. Step 4: Simplify right side
    1,922.40x = 3,456,141.77
  5. Step 5: Solve for x
    x = 3,456,141.77/1,922.40
  6. Step 6: Final answer
    x = 1,797.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.