Home / 3,941.55-5,439.33-2,173.11

Finding the Fourth Proportional to 3,941.55, 5,439.33 and 2,173.11

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Solution

The fourth proportional to 3,941.55, 5,439.33 and 2,173.11 is: 2,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.55 : 5,439.33 = 2,173.11 : x
  2. Step 2: Convert to fraction form
    3,941.55/5,439.33 = 2,173.11/x
  3. Step 3: Cross multiply
    3,941.55x = 5,439.33 × 2,173.11
  4. Step 4: Simplify right side
    3,941.55x = 11,820,262.42
  5. Step 5: Solve for x
    x = 11,820,262.42/3,941.55
  6. Step 6: Final answer
    x = 2,998.89

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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.