Home / 4,188.82-5,781.90-2,862.04

Finding the Fourth Proportional to 4,188.82, 5,781.90 and 2,862.04

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Solution

The fourth proportional to 4,188.82, 5,781.90 and 2,862.04 is: 3,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.82 : 5,781.90 = 2,862.04 : x
  2. Step 2: Convert to fraction form
    4,188.82/5,781.90 = 2,862.04/x
  3. Step 3: Cross multiply
    4,188.82x = 5,781.90 × 2,862.04
  4. Step 4: Simplify right side
    4,188.82x = 16,548,029.08
  5. Step 5: Solve for x
    x = 16,548,029.08/4,188.82
  6. Step 6: Final answer
    x = 3,950.52

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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.