Home / 3,108.52-4,666.20-1,647.28

Finding the Fourth Proportional to 3,108.52, 4,666.20 and 1,647.28

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Solution

The fourth proportional to 3,108.52, 4,666.20 and 1,647.28 is: 2,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.52 : 4,666.20 = 1,647.28 : x
  2. Step 2: Convert to fraction form
    3,108.52/4,666.20 = 1,647.28/x
  3. Step 3: Cross multiply
    3,108.52x = 4,666.20 × 1,647.28
  4. Step 4: Simplify right side
    3,108.52x = 7,686,537.94
  5. Step 5: Solve for x
    x = 7,686,537.94/3,108.52
  6. Step 6: Final answer
    x = 2,472.73

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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.