Home / 2,182.60-3,273.90-1,909.23

Finding the Fourth Proportional to 2,182.60, 3,273.90 and 1,909.23

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Solution

The fourth proportional to 2,182.60, 3,273.90 and 1,909.23 is: 2,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.60 : 3,273.90 = 1,909.23 : x
  2. Step 2: Convert to fraction form
    2,182.60/3,273.90 = 1,909.23/x
  3. Step 3: Cross multiply
    2,182.60x = 3,273.90 × 1,909.23
  4. Step 4: Simplify right side
    2,182.60x = 6,250,628.10
  5. Step 5: Solve for x
    x = 6,250,628.10/2,182.60
  6. Step 6: Final answer
    x = 2,863.85

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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.