Home / 2,936.88-4,407.12-2,913.36

Finding the Fourth Proportional to 2,936.88, 4,407.12 and 2,913.36

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Solution

The fourth proportional to 2,936.88, 4,407.12 and 2,913.36 is: 4,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.88 : 4,407.12 = 2,913.36 : x
  2. Step 2: Convert to fraction form
    2,936.88/4,407.12 = 2,913.36/x
  3. Step 3: Cross multiply
    2,936.88x = 4,407.12 × 2,913.36
  4. Step 4: Simplify right side
    2,936.88x = 12,839,527.12
  5. Step 5: Solve for x
    x = 12,839,527.12/2,936.88
  6. Step 6: Final answer
    x = 4,371.83

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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.