Home / 2,767.14-4,148.70-1,305.48

Finding the Fourth Proportional to 2,767.14, 4,148.70 and 1,305.48

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Solution

The fourth proportional to 2,767.14, 4,148.70 and 1,305.48 is: 1,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.14 : 4,148.70 = 1,305.48 : x
  2. Step 2: Convert to fraction form
    2,767.14/4,148.70 = 1,305.48/x
  3. Step 3: Cross multiply
    2,767.14x = 4,148.70 × 1,305.48
  4. Step 4: Simplify right side
    2,767.14x = 5,416,044.88
  5. Step 5: Solve for x
    x = 5,416,044.88/2,767.14
  6. Step 6: Final answer
    x = 1,957.27

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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.