Home / 3,743.88-5,167.76-2,171.67

Finding the Fourth Proportional to 3,743.88, 5,167.76 and 2,171.67

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Solution

The fourth proportional to 3,743.88, 5,167.76 and 2,171.67 is: 2,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.88 : 5,167.76 = 2,171.67 : x
  2. Step 2: Convert to fraction form
    3,743.88/5,167.76 = 2,171.67/x
  3. Step 3: Cross multiply
    3,743.88x = 5,167.76 × 2,171.67
  4. Step 4: Simplify right side
    3,743.88x = 11,222,669.36
  5. Step 5: Solve for x
    x = 11,222,669.36/3,743.88
  6. Step 6: Final answer
    x = 2,997.60

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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.