Home / 3,914.61-5,369.96-3,702.75

Finding the Fourth Proportional to 3,914.61, 5,369.96 and 3,702.75

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Solution

The fourth proportional to 3,914.61, 5,369.96 and 3,702.75 is: 5,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.61 : 5,369.96 = 3,702.75 : x
  2. Step 2: Convert to fraction form
    3,914.61/5,369.96 = 3,702.75/x
  3. Step 3: Cross multiply
    3,914.61x = 5,369.96 × 3,702.75
  4. Step 4: Simplify right side
    3,914.61x = 19,883,600.88
  5. Step 5: Solve for x
    x = 19,883,600.88/3,914.61
  6. Step 6: Final answer
    x = 5,079.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.