Home / 3,764.55-5,194.71-2,171.46

Finding the Fourth Proportional to 3,764.55, 5,194.71 and 2,171.46

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Solution

The fourth proportional to 3,764.55, 5,194.71 and 2,171.46 is: 2,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.55 : 5,194.71 = 2,171.46 : x
  2. Step 2: Convert to fraction form
    3,764.55/5,194.71 = 2,171.46/x
  3. Step 3: Cross multiply
    3,764.55x = 5,194.71 × 2,171.46
  4. Step 4: Simplify right side
    3,764.55x = 11,280,104.98
  5. Step 5: Solve for x
    x = 11,280,104.98/3,764.55
  6. Step 6: Final answer
    x = 2,996.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.