Home / 3,028.70-4,179.72-1,834.08

Finding the Fourth Proportional to 3,028.70, 4,179.72 and 1,834.08

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Solution

The fourth proportional to 3,028.70, 4,179.72 and 1,834.08 is: 2,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.70 : 4,179.72 = 1,834.08 : x
  2. Step 2: Convert to fraction form
    3,028.70/4,179.72 = 1,834.08/x
  3. Step 3: Cross multiply
    3,028.70x = 4,179.72 × 1,834.08
  4. Step 4: Simplify right side
    3,028.70x = 7,665,940.86
  5. Step 5: Solve for x
    x = 7,665,940.86/3,028.70
  6. Step 6: Final answer
    x = 2,531.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.