Home / 2,766.15-4,143.67-1,375.28

Finding the Fourth Proportional to 2,766.15, 4,143.67 and 1,375.28

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Solution

The fourth proportional to 2,766.15, 4,143.67 and 1,375.28 is: 2,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.15 : 4,143.67 = 1,375.28 : x
  2. Step 2: Convert to fraction form
    2,766.15/4,143.67 = 1,375.28/x
  3. Step 3: Cross multiply
    2,766.15x = 4,143.67 × 1,375.28
  4. Step 4: Simplify right side
    2,766.15x = 5,698,706.48
  5. Step 5: Solve for x
    x = 5,698,706.48/2,766.15
  6. Step 6: Final answer
    x = 2,060.16

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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.