Home / 2,738.22-3,777.84-1,543.02

Finding the Fourth Proportional to 2,738.22, 3,777.84 and 1,543.02

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Solution

The fourth proportional to 2,738.22, 3,777.84 and 1,543.02 is: 2,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.22 : 3,777.84 = 1,543.02 : x
  2. Step 2: Convert to fraction form
    2,738.22/3,777.84 = 1,543.02/x
  3. Step 3: Cross multiply
    2,738.22x = 3,777.84 × 1,543.02
  4. Step 4: Simplify right side
    2,738.22x = 5,829,282.68
  5. Step 5: Solve for x
    x = 5,829,282.68/2,738.22
  6. Step 6: Final answer
    x = 2,128.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.