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Finding the Fourth Proportional to 2,751.80, 3,797.30 and 1,572.84

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Solution

The fourth proportional to 2,751.80, 3,797.30 and 1,572.84 is: 2,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.80 : 3,797.30 = 1,572.84 : x
  2. Step 2: Convert to fraction form
    2,751.80/3,797.30 = 1,572.84/x
  3. Step 3: Cross multiply
    2,751.80x = 3,797.30 × 1,572.84
  4. Step 4: Simplify right side
    2,751.80x = 5,972,537.47
  5. Step 5: Solve for x
    x = 5,972,537.47/2,751.80
  6. Step 6: Final answer
    x = 2,170.42

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1.5x scale

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.