Home / 3,867.82-5,329.44-2,623.66

Finding the Fourth Proportional to 3,867.82, 5,329.44 and 2,623.66

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Solution

The fourth proportional to 3,867.82, 5,329.44 and 2,623.66 is: 3,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.82 : 5,329.44 = 2,623.66 : x
  2. Step 2: Convert to fraction form
    3,867.82/5,329.44 = 2,623.66/x
  3. Step 3: Cross multiply
    3,867.82x = 5,329.44 × 2,623.66
  4. Step 4: Simplify right side
    3,867.82x = 13,982,638.55
  5. Step 5: Solve for x
    x = 13,982,638.55/3,867.82
  6. Step 6: Final answer
    x = 3,615.12

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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.