Home / 3,722.90-5,580.75-1,382.24

Finding the Fourth Proportional to 3,722.90, 5,580.75 and 1,382.24

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Solution

The fourth proportional to 3,722.90, 5,580.75 and 1,382.24 is: 2,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.90 : 5,580.75 = 1,382.24 : x
  2. Step 2: Convert to fraction form
    3,722.90/5,580.75 = 1,382.24/x
  3. Step 3: Cross multiply
    3,722.90x = 5,580.75 × 1,382.24
  4. Step 4: Simplify right side
    3,722.90x = 7,713,935.88
  5. Step 5: Solve for x
    x = 7,713,935.88/3,722.90
  6. Step 6: Final answer
    x = 2,072.02

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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.