Home / 3,329.64-4,997.54-1,687.36

Finding the Fourth Proportional to 3,329.64, 4,997.54 and 1,687.36

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Solution

The fourth proportional to 3,329.64, 4,997.54 and 1,687.36 is: 2,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.64 : 4,997.54 = 1,687.36 : x
  2. Step 2: Convert to fraction form
    3,329.64/4,997.54 = 1,687.36/x
  3. Step 3: Cross multiply
    3,329.64x = 4,997.54 × 1,687.36
  4. Step 4: Simplify right side
    3,329.64x = 8,432,649.09
  5. Step 5: Solve for x
    x = 8,432,649.09/3,329.64
  6. Step 6: Final answer
    x = 2,532.60

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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.