Home / 2,720.33-3,754.39-1,658.42

Finding the Fourth Proportional to 2,720.33, 3,754.39 and 1,658.42

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Solution

The fourth proportional to 2,720.33, 3,754.39 and 1,658.42 is: 2,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.33 : 3,754.39 = 1,658.42 : x
  2. Step 2: Convert to fraction form
    2,720.33/3,754.39 = 1,658.42/x
  3. Step 3: Cross multiply
    2,720.33x = 3,754.39 × 1,658.42
  4. Step 4: Simplify right side
    2,720.33x = 6,226,375.52
  5. Step 5: Solve for x
    x = 6,226,375.52/2,720.33
  6. Step 6: Final answer
    x = 2,288.83

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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.