Home / 3,103.72-4,650.66-1,869.52

Finding the Fourth Proportional to 3,103.72, 4,650.66 and 1,869.52

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Solution

The fourth proportional to 3,103.72, 4,650.66 and 1,869.52 is: 2,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.72 : 4,650.66 = 1,869.52 : x
  2. Step 2: Convert to fraction form
    3,103.72/4,650.66 = 1,869.52/x
  3. Step 3: Cross multiply
    3,103.72x = 4,650.66 × 1,869.52
  4. Step 4: Simplify right side
    3,103.72x = 8,694,501.88
  5. Step 5: Solve for x
    x = 8,694,501.88/3,103.72
  6. Step 6: Final answer
    x = 2,801.32

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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.