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Finding the Fourth Proportional to 1,951.83, 2,922.21 and 1,538.73

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Solution

The fourth proportional to 1,951.83, 2,922.21 and 1,538.73 is: 2,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.83 : 2,922.21 = 1,538.73 : x
  2. Step 2: Convert to fraction form
    1,951.83/2,922.21 = 1,538.73/x
  3. Step 3: Cross multiply
    1,951.83x = 2,922.21 × 1,538.73
  4. Step 4: Simplify right side
    1,951.83x = 4,496,492.19
  5. Step 5: Solve for x
    x = 4,496,492.19/1,951.83
  6. Step 6: Final answer
    x = 2,303.73

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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.