Home / 3,829.56-5,279.20-3,043.88

Finding the Fourth Proportional to 3,829.56, 5,279.20 and 3,043.88

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Solution

The fourth proportional to 3,829.56, 5,279.20 and 3,043.88 is: 4,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.56 : 5,279.20 = 3,043.88 : x
  2. Step 2: Convert to fraction form
    3,829.56/5,279.20 = 3,043.88/x
  3. Step 3: Cross multiply
    3,829.56x = 5,279.20 × 3,043.88
  4. Step 4: Simplify right side
    3,829.56x = 16,069,251.30
  5. Step 5: Solve for x
    x = 16,069,251.30/3,829.56
  6. Step 6: Final answer
    x = 4,196.11

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1.5x scale

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.