Home / 3,820.96-5,272.60-2,826.88

Finding the Fourth Proportional to 3,820.96, 5,272.60 and 2,826.88

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Solution

The fourth proportional to 3,820.96, 5,272.60 and 2,826.88 is: 3,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.96 : 5,272.60 = 2,826.88 : x
  2. Step 2: Convert to fraction form
    3,820.96/5,272.60 = 2,826.88/x
  3. Step 3: Cross multiply
    3,820.96x = 5,272.60 × 2,826.88
  4. Step 4: Simplify right side
    3,820.96x = 14,905,007.49
  5. Step 5: Solve for x
    x = 14,905,007.49/3,820.96
  6. Step 6: Final answer
    x = 3,900.85

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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.