Home / 3,108.38-4,662.63-1,721.52

Finding the Fourth Proportional to 3,108.38, 4,662.63 and 1,721.52

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Solution

The fourth proportional to 3,108.38, 4,662.63 and 1,721.52 is: 2,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.38 : 4,662.63 = 1,721.52 : x
  2. Step 2: Convert to fraction form
    3,108.38/4,662.63 = 1,721.52/x
  3. Step 3: Cross multiply
    3,108.38x = 4,662.63 × 1,721.52
  4. Step 4: Simplify right side
    3,108.38x = 8,026,810.80
  5. Step 5: Solve for x
    x = 8,026,810.80/3,108.38
  6. Step 6: Final answer
    x = 2,582.32

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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.