Home / 2,772.01-4,167.33-1,956.14

Finding the Fourth Proportional to 2,772.01, 4,167.33 and 1,956.14

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Solution

The fourth proportional to 2,772.01, 4,167.33 and 1,956.14 is: 2,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.01 : 4,167.33 = 1,956.14 : x
  2. Step 2: Convert to fraction form
    2,772.01/4,167.33 = 1,956.14/x
  3. Step 3: Cross multiply
    2,772.01x = 4,167.33 × 1,956.14
  4. Step 4: Simplify right side
    2,772.01x = 8,151,880.91
  5. Step 5: Solve for x
    x = 8,151,880.91/2,772.01
  6. Step 6: Final answer
    x = 2,940.78

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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.