Home / 3,770.75-5,633.79-3,641.55

Finding the Fourth Proportional to 3,770.75, 5,633.79 and 3,641.55

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Solution

The fourth proportional to 3,770.75, 5,633.79 and 3,641.55 is: 5,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.75 : 5,633.79 = 3,641.55 : x
  2. Step 2: Convert to fraction form
    3,770.75/5,633.79 = 3,641.55/x
  3. Step 3: Cross multiply
    3,770.75x = 5,633.79 × 3,641.55
  4. Step 4: Simplify right side
    3,770.75x = 20,515,727.97
  5. Step 5: Solve for x
    x = 20,515,727.97/3,770.75
  6. Step 6: Final answer
    x = 5,440.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.