Home / 3,329.48-4,997.28-1,687.17

Finding the Fourth Proportional to 3,329.48, 4,997.28 and 1,687.17

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Solution

The fourth proportional to 3,329.48, 4,997.28 and 1,687.17 is: 2,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.48 : 4,997.28 = 1,687.17 : x
  2. Step 2: Convert to fraction form
    3,329.48/4,997.28 = 1,687.17/x
  3. Step 3: Cross multiply
    3,329.48x = 4,997.28 × 1,687.17
  4. Step 4: Simplify right side
    3,329.48x = 8,431,260.90
  5. Step 5: Solve for x
    x = 8,431,260.90/3,329.48
  6. Step 6: Final answer
    x = 2,532.31

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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.