Home / 3,956.12-5,927.58-2,784.02

Finding the Fourth Proportional to 3,956.12, 5,927.58 and 2,784.02

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Solution

The fourth proportional to 3,956.12, 5,927.58 and 2,784.02 is: 4,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.12 : 5,927.58 = 2,784.02 : x
  2. Step 2: Convert to fraction form
    3,956.12/5,927.58 = 2,784.02/x
  3. Step 3: Cross multiply
    3,956.12x = 5,927.58 × 2,784.02
  4. Step 4: Simplify right side
    3,956.12x = 16,502,516.09
  5. Step 5: Solve for x
    x = 16,502,516.09/3,956.12
  6. Step 6: Final answer
    x = 4,171.39

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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.