Home / 2,760.70-4,143.12-1,722.22

Finding the Fourth Proportional to 2,760.70, 4,143.12 and 1,722.22

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Solution

The fourth proportional to 2,760.70, 4,143.12 and 1,722.22 is: 2,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.70 : 4,143.12 = 1,722.22 : x
  2. Step 2: Convert to fraction form
    2,760.70/4,143.12 = 1,722.22/x
  3. Step 3: Cross multiply
    2,760.70x = 4,143.12 × 1,722.22
  4. Step 4: Simplify right side
    2,760.70x = 7,135,364.13
  5. Step 5: Solve for x
    x = 7,135,364.13/2,760.70
  6. Step 6: Final answer
    x = 2,584.62

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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.