Home / 2,951.22-4,431.76-1,843.21

Finding the Fourth Proportional to 2,951.22, 4,431.76 and 1,843.21

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Solution

The fourth proportional to 2,951.22, 4,431.76 and 1,843.21 is: 2,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.22 : 4,431.76 = 1,843.21 : x
  2. Step 2: Convert to fraction form
    2,951.22/4,431.76 = 1,843.21/x
  3. Step 3: Cross multiply
    2,951.22x = 4,431.76 × 1,843.21
  4. Step 4: Simplify right side
    2,951.22x = 8,168,688.11
  5. Step 5: Solve for x
    x = 8,168,688.11/2,951.22
  6. Step 6: Final answer
    x = 2,767.90

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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.