Home / 3,232.46-4,451.96-2,790.20

Finding the Fourth Proportional to 3,232.46, 4,451.96 and 2,790.20

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Solution

The fourth proportional to 3,232.46, 4,451.96 and 2,790.20 is: 3,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.46 : 4,451.96 = 2,790.20 : x
  2. Step 2: Convert to fraction form
    3,232.46/4,451.96 = 2,790.20/x
  3. Step 3: Cross multiply
    3,232.46x = 4,451.96 × 2,790.20
  4. Step 4: Simplify right side
    3,232.46x = 12,421,858.79
  5. Step 5: Solve for x
    x = 12,421,858.79/3,232.46
  6. Step 6: Final answer
    x = 3,842.85

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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.