Home / 2,769.22-4,154.09-1,381.66

Finding the Fourth Proportional to 2,769.22, 4,154.09 and 1,381.66

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Solution

The fourth proportional to 2,769.22, 4,154.09 and 1,381.66 is: 2,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.22 : 4,154.09 = 1,381.66 : x
  2. Step 2: Convert to fraction form
    2,769.22/4,154.09 = 1,381.66/x
  3. Step 3: Cross multiply
    2,769.22x = 4,154.09 × 1,381.66
  4. Step 4: Simplify right side
    2,769.22x = 5,739,522.70
  5. Step 5: Solve for x
    x = 5,739,522.70/2,769.22
  6. Step 6: Final answer
    x = 2,072.61

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1.5x scale

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.