Home / 2,669.10-3,999.53-2,082.71

Finding the Fourth Proportional to 2,669.10, 3,999.53 and 2,082.71

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Solution

The fourth proportional to 2,669.10, 3,999.53 and 2,082.71 is: 3,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.10 : 3,999.53 = 2,082.71 : x
  2. Step 2: Convert to fraction form
    2,669.10/3,999.53 = 2,082.71/x
  3. Step 3: Cross multiply
    2,669.10x = 3,999.53 × 2,082.71
  4. Step 4: Simplify right side
    2,669.10x = 8,329,864.62
  5. Step 5: Solve for x
    x = 8,329,864.62/2,669.10
  6. Step 6: Final answer
    x = 3,120.85

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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.