Home / 1,922.92-2,877.83-1,230.06

Finding the Fourth Proportional to 1,922.92, 2,877.83 and 1,230.06

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Solution

The fourth proportional to 1,922.92, 2,877.83 and 1,230.06 is: 1,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.92 : 2,877.83 = 1,230.06 : x
  2. Step 2: Convert to fraction form
    1,922.92/2,877.83 = 1,230.06/x
  3. Step 3: Cross multiply
    1,922.92x = 2,877.83 × 1,230.06
  4. Step 4: Simplify right side
    1,922.92x = 3,539,906.64
  5. Step 5: Solve for x
    x = 3,539,906.64/1,922.92
  6. Step 6: Final answer
    x = 1,840.90

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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.