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Finding the Fourth Proportional to 3,745.71, 5,614.61 and 1,404.19

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Solution

The fourth proportional to 3,745.71, 5,614.61 and 1,404.19 is: 2,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.71 : 5,614.61 = 1,404.19 : x
  2. Step 2: Convert to fraction form
    3,745.71/5,614.61 = 1,404.19/x
  3. Step 3: Cross multiply
    3,745.71x = 5,614.61 × 1,404.19
  4. Step 4: Simplify right side
    3,745.71x = 7,883,979.22
  5. Step 5: Solve for x
    x = 7,883,979.22/3,745.71
  6. Step 6: Final answer
    x = 2,104.80

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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.