Home / 3,318.41-4,581.15-2,261.77

Finding the Fourth Proportional to 3,318.41, 4,581.15 and 2,261.77

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Solution

The fourth proportional to 3,318.41, 4,581.15 and 2,261.77 is: 3,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.41 : 4,581.15 = 2,261.77 : x
  2. Step 2: Convert to fraction form
    3,318.41/4,581.15 = 2,261.77/x
  3. Step 3: Cross multiply
    3,318.41x = 4,581.15 × 2,261.77
  4. Step 4: Simplify right side
    3,318.41x = 10,361,507.64
  5. Step 5: Solve for x
    x = 10,361,507.64/3,318.41
  6. Step 6: Final answer
    x = 3,122.43

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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.