Home / 2,936.24-4,406.04-2,157.92

Finding the Fourth Proportional to 2,936.24, 4,406.04 and 2,157.92

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Solution

The fourth proportional to 2,936.24, 4,406.04 and 2,157.92 is: 3,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.24 : 4,406.04 = 2,157.92 : x
  2. Step 2: Convert to fraction form
    2,936.24/4,406.04 = 2,157.92/x
  3. Step 3: Cross multiply
    2,936.24x = 4,406.04 × 2,157.92
  4. Step 4: Simplify right side
    2,936.24x = 9,507,881.84
  5. Step 5: Solve for x
    x = 9,507,881.84/2,936.24
  6. Step 6: Final answer
    x = 3,238.11

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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.