Home / 3,906.23-5,390.51-2,334.02

Finding the Fourth Proportional to 3,906.23, 5,390.51 and 2,334.02

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Solution

The fourth proportional to 3,906.23, 5,390.51 and 2,334.02 is: 3,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.23 : 5,390.51 = 2,334.02 : x
  2. Step 2: Convert to fraction form
    3,906.23/5,390.51 = 2,334.02/x
  3. Step 3: Cross multiply
    3,906.23x = 5,390.51 × 2,334.02
  4. Step 4: Simplify right side
    3,906.23x = 12,581,519.53
  5. Step 5: Solve for x
    x = 12,581,519.53/3,906.23
  6. Step 6: Final answer
    x = 3,220.89

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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.