Home / 3,401.64-5,104.89-1,455.21

Finding the Fourth Proportional to 3,401.64, 5,104.89 and 1,455.21

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Solution

The fourth proportional to 3,401.64, 5,104.89 and 1,455.21 is: 2,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.64 : 5,104.89 = 1,455.21 : x
  2. Step 2: Convert to fraction form
    3,401.64/5,104.89 = 1,455.21/x
  3. Step 3: Cross multiply
    3,401.64x = 5,104.89 × 1,455.21
  4. Step 4: Simplify right side
    3,401.64x = 7,428,686.98
  5. Step 5: Solve for x
    x = 7,428,686.98/3,401.64
  6. Step 6: Final answer
    x = 2,183.85

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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.