Home / 3,867.29-5,334.48-2,372.62

Finding the Fourth Proportional to 3,867.29, 5,334.48 and 2,372.62

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Solution

The fourth proportional to 3,867.29, 5,334.48 and 2,372.62 is: 3,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.29 : 5,334.48 = 2,372.62 : x
  2. Step 2: Convert to fraction form
    3,867.29/5,334.48 = 2,372.62/x
  3. Step 3: Cross multiply
    3,867.29x = 5,334.48 × 2,372.62
  4. Step 4: Simplify right side
    3,867.29x = 12,656,693.94
  5. Step 5: Solve for x
    x = 12,656,693.94/3,867.29
  6. Step 6: Final answer
    x = 3,272.76

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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.