Home / 3,835.91-5,293.52-2,179.91

Finding the Fourth Proportional to 3,835.91, 5,293.52 and 2,179.91

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Solution

The fourth proportional to 3,835.91, 5,293.52 and 2,179.91 is: 3,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.91 : 5,293.52 = 2,179.91 : x
  2. Step 2: Convert to fraction form
    3,835.91/5,293.52 = 2,179.91/x
  3. Step 3: Cross multiply
    3,835.91x = 5,293.52 × 2,179.91
  4. Step 4: Simplify right side
    3,835.91x = 11,539,370.72
  5. Step 5: Solve for x
    x = 11,539,370.72/3,835.91
  6. Step 6: Final answer
    x = 3,008.25

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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.