Home / 3,201.12-4,418.28-2,676.24

Finding the Fourth Proportional to 3,201.12, 4,418.28 and 2,676.24

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Solution

The fourth proportional to 3,201.12, 4,418.28 and 2,676.24 is: 3,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.12 : 4,418.28 = 2,676.24 : x
  2. Step 2: Convert to fraction form
    3,201.12/4,418.28 = 2,676.24/x
  3. Step 3: Cross multiply
    3,201.12x = 4,418.28 × 2,676.24
  4. Step 4: Simplify right side
    3,201.12x = 11,824,377.67
  5. Step 5: Solve for x
    x = 11,824,377.67/3,201.12
  6. Step 6: Final answer
    x = 3,693.83

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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.