Home / 2,651.92-3,977.96-704.13

Finding the Fourth Proportional to 2,651.92, 3,977.96 and 704.13

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Solution

The fourth proportional to 2,651.92, 3,977.96 and 704.13 is: 1,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.92 : 3,977.96 = 704.13 : x
  2. Step 2: Convert to fraction form
    2,651.92/3,977.96 = 704.13/x
  3. Step 3: Cross multiply
    2,651.92x = 3,977.96 × 704.13
  4. Step 4: Simplify right side
    2,651.92x = 2,801,000.97
  5. Step 5: Solve for x
    x = 2,801,000.97/2,651.92
  6. Step 6: Final answer
    x = 1,056.22

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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.