Home / 3,529.12-5,287.92-2,226.40

Finding the Fourth Proportional to 3,529.12, 5,287.92 and 2,226.40

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Solution

The fourth proportional to 3,529.12, 5,287.92 and 2,226.40 is: 3,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 5,287.92 = 2,226.40 : x
  2. Step 2: Convert to fraction form
    3,529.12/5,287.92 = 2,226.40/x
  3. Step 3: Cross multiply
    3,529.12x = 5,287.92 × 2,226.40
  4. Step 4: Simplify right side
    3,529.12x = 11,773,025.09
  5. Step 5: Solve for x
    x = 11,773,025.09/3,529.12
  6. Step 6: Final answer
    x = 3,335.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.