Home / 3,941.44-5,439.04-2,172.84

Finding the Fourth Proportional to 3,941.44, 5,439.04 and 2,172.84

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Solution

The fourth proportional to 3,941.44, 5,439.04 and 2,172.84 is: 2,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.44 : 5,439.04 = 2,172.84 : x
  2. Step 2: Convert to fraction form
    3,941.44/5,439.04 = 2,172.84/x
  3. Step 3: Cross multiply
    3,941.44x = 5,439.04 × 2,172.84
  4. Step 4: Simplify right side
    3,941.44x = 11,818,163.67
  5. Step 5: Solve for x
    x = 11,818,163.67/3,941.44
  6. Step 6: Final answer
    x = 2,998.44

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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.