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Finding the Fourth Proportional to 3,741.78, 5,624.99 and 3,126.69

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Solution

The fourth proportional to 3,741.78, 5,624.99 and 3,126.69 is: 4,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.78 : 5,624.99 = 3,126.69 : x
  2. Step 2: Convert to fraction form
    3,741.78/5,624.99 = 3,126.69/x
  3. Step 3: Cross multiply
    3,741.78x = 5,624.99 × 3,126.69
  4. Step 4: Simplify right side
    3,741.78x = 17,587,584.35
  5. Step 5: Solve for x
    x = 17,587,584.35/3,741.78
  6. Step 6: Final answer
    x = 4,700.33

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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.