Home / 3,812.90-5,720.43-2,254.28

Finding the Fourth Proportional to 3,812.90, 5,720.43 and 2,254.28

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Solution

The fourth proportional to 3,812.90, 5,720.43 and 2,254.28 is: 3,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.90 : 5,720.43 = 2,254.28 : x
  2. Step 2: Convert to fraction form
    3,812.90/5,720.43 = 2,254.28/x
  3. Step 3: Cross multiply
    3,812.90x = 5,720.43 × 2,254.28
  4. Step 4: Simplify right side
    3,812.90x = 12,895,450.94
  5. Step 5: Solve for x
    x = 12,895,450.94/3,812.90
  6. Step 6: Final answer
    x = 3,382.06

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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.