Home / 3,941.40-5,438.87-2,262.58

Finding the Fourth Proportional to 3,941.40, 5,438.87 and 2,262.58

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Solution

The fourth proportional to 3,941.40, 5,438.87 and 2,262.58 is: 3,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.40 : 5,438.87 = 2,262.58 : x
  2. Step 2: Convert to fraction form
    3,941.40/5,438.87 = 2,262.58/x
  3. Step 3: Cross multiply
    3,941.40x = 5,438.87 × 2,262.58
  4. Step 4: Simplify right side
    3,941.40x = 12,305,853.57
  5. Step 5: Solve for x
    x = 12,305,853.57/3,941.40
  6. Step 6: Final answer
    x = 3,122.20

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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.