Home / 3,622.40-5,429.94-2,162.24

Finding the Fourth Proportional to 3,622.40, 5,429.94 and 2,162.24

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Solution

The fourth proportional to 3,622.40, 5,429.94 and 2,162.24 is: 3,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.40 : 5,429.94 = 2,162.24 : x
  2. Step 2: Convert to fraction form
    3,622.40/5,429.94 = 2,162.24/x
  3. Step 3: Cross multiply
    3,622.40x = 5,429.94 × 2,162.24
  4. Step 4: Simplify right side
    3,622.40x = 11,740,833.47
  5. Step 5: Solve for x
    x = 11,740,833.47/3,622.40
  6. Step 6: Final answer
    x = 3,241.18

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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.