Home / 3,182.70-4,779.36-2,149.38

Finding the Fourth Proportional to 3,182.70, 4,779.36 and 2,149.38

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Solution

The fourth proportional to 3,182.70, 4,779.36 and 2,149.38 is: 3,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.70 : 4,779.36 = 2,149.38 : x
  2. Step 2: Convert to fraction form
    3,182.70/4,779.36 = 2,149.38/x
  3. Step 3: Cross multiply
    3,182.70x = 4,779.36 × 2,149.38
  4. Step 4: Simplify right side
    3,182.70x = 10,272,660.80
  5. Step 5: Solve for x
    x = 10,272,660.80/3,182.70
  6. Step 6: Final answer
    x = 3,227.66

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1.5x scale

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.