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Finding the Fourth Proportional to 3,759.01, 5,626.96 and 3,387.22

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Solution

The fourth proportional to 3,759.01, 5,626.96 and 3,387.22 is: 5,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.01 : 5,626.96 = 3,387.22 : x
  2. Step 2: Convert to fraction form
    3,759.01/5,626.96 = 3,387.22/x
  3. Step 3: Cross multiply
    3,759.01x = 5,626.96 × 3,387.22
  4. Step 4: Simplify right side
    3,759.01x = 19,059,751.45
  5. Step 5: Solve for x
    x = 19,059,751.45/3,759.01
  6. Step 6: Final answer
    x = 5,070.42

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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.