Home / 3,310.38-4,543.35-3,028.80

Finding the Fourth Proportional to 3,310.38, 4,543.35 and 3,028.80

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Solution

The fourth proportional to 3,310.38, 4,543.35 and 3,028.80 is: 4,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.38 : 4,543.35 = 3,028.80 : x
  2. Step 2: Convert to fraction form
    3,310.38/4,543.35 = 3,028.80/x
  3. Step 3: Cross multiply
    3,310.38x = 4,543.35 × 3,028.80
  4. Step 4: Simplify right side
    3,310.38x = 13,760,898.48
  5. Step 5: Solve for x
    x = 13,760,898.48/3,310.38
  6. Step 6: Final answer
    x = 4,156.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.