Home / 3,381.85-4,649.03-2,908.01

Finding the Fourth Proportional to 3,381.85, 4,649.03 and 2,908.01

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Solution

The fourth proportional to 3,381.85, 4,649.03 and 2,908.01 is: 3,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.85 : 4,649.03 = 2,908.01 : x
  2. Step 2: Convert to fraction form
    3,381.85/4,649.03 = 2,908.01/x
  3. Step 3: Cross multiply
    3,381.85x = 4,649.03 × 2,908.01
  4. Step 4: Simplify right side
    3,381.85x = 13,519,433.00
  5. Step 5: Solve for x
    x = 13,519,433.00/3,381.85
  6. Step 6: Final answer
    x = 3,997.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.