Home / 3,318.41-4,981.01-2,739.44

Finding the Fourth Proportional to 3,318.41, 4,981.01 and 2,739.44

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Solution

The fourth proportional to 3,318.41, 4,981.01 and 2,739.44 is: 4,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.41 : 4,981.01 = 2,739.44 : x
  2. Step 2: Convert to fraction form
    3,318.41/4,981.01 = 2,739.44/x
  3. Step 3: Cross multiply
    3,318.41x = 4,981.01 × 2,739.44
  4. Step 4: Simplify right side
    3,318.41x = 13,645,178.03
  5. Step 5: Solve for x
    x = 13,645,178.03/3,318.41
  6. Step 6: Final answer
    x = 4,111.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.