Home / 2,183.04-3,280-1,937.28

Finding the Fourth Proportional to 2,183.04, 3,280 and 1,937.28

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Solution

The fourth proportional to 2,183.04, 3,280 and 1,937.28 is: 2,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.04 : 3,280 = 1,937.28 : x
  2. Step 2: Convert to fraction form
    2,183.04/3,280 = 1,937.28/x
  3. Step 3: Cross multiply
    2,183.04x = 3,280 × 1,937.28
  4. Step 4: Simplify right side
    2,183.04x = 6,354,278.40
  5. Step 5: Solve for x
    x = 6,354,278.40/2,183.04
  6. Step 6: Final answer
    x = 2,910.75

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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.