Home / 3,966.34-5,473.48-2,173.80

Finding the Fourth Proportional to 3,966.34, 5,473.48 and 2,173.80

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Solution

The fourth proportional to 3,966.34, 5,473.48 and 2,173.80 is: 2,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.34 : 5,473.48 = 2,173.80 : x
  2. Step 2: Convert to fraction form
    3,966.34/5,473.48 = 2,173.80/x
  3. Step 3: Cross multiply
    3,966.34x = 5,473.48 × 2,173.80
  4. Step 4: Simplify right side
    3,966.34x = 11,898,245.39
  5. Step 5: Solve for x
    x = 11,898,245.39/3,966.34
  6. Step 6: Final answer
    x = 2,999.81

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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.