Home / 3,039.75-4,549.72-1,649.64

Finding the Fourth Proportional to 3,039.75, 4,549.72 and 1,649.64

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Solution

The fourth proportional to 3,039.75, 4,549.72 and 1,649.64 is: 2,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.75 : 4,549.72 = 1,649.64 : x
  2. Step 2: Convert to fraction form
    3,039.75/4,549.72 = 1,649.64/x
  3. Step 3: Cross multiply
    3,039.75x = 4,549.72 × 1,649.64
  4. Step 4: Simplify right side
    3,039.75x = 7,505,403.34
  5. Step 5: Solve for x
    x = 7,505,403.34/3,039.75
  6. Step 6: Final answer
    x = 2,469.08

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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.