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Finding the Fourth Proportional to 2,751.88, 3,797.36 and 1,572.72

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Solution

The fourth proportional to 2,751.88, 3,797.36 and 1,572.72 is: 2,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.88 : 3,797.36 = 1,572.72 : x
  2. Step 2: Convert to fraction form
    2,751.88/3,797.36 = 1,572.72/x
  3. Step 3: Cross multiply
    2,751.88x = 3,797.36 × 1,572.72
  4. Step 4: Simplify right side
    2,751.88x = 5,972,184.02
  5. Step 5: Solve for x
    x = 5,972,184.02/2,751.88
  6. Step 6: Final answer
    x = 2,170.22

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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.