Home / 2,579.90-3,557.97-2,082.38

Finding the Fourth Proportional to 2,579.90, 3,557.97 and 2,082.38

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Solution

The fourth proportional to 2,579.90, 3,557.97 and 2,082.38 is: 2,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.90 : 3,557.97 = 2,082.38 : x
  2. Step 2: Convert to fraction form
    2,579.90/3,557.97 = 2,082.38/x
  3. Step 3: Cross multiply
    2,579.90x = 3,557.97 × 2,082.38
  4. Step 4: Simplify right side
    2,579.90x = 7,409,045.57
  5. Step 5: Solve for x
    x = 7,409,045.57/2,579.90
  6. Step 6: Final answer
    x = 2,871.83

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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.