Home / 4,121.40-5,687.57-2,304.44

Finding the Fourth Proportional to 4,121.40, 5,687.57 and 2,304.44

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Solution

The fourth proportional to 4,121.40, 5,687.57 and 2,304.44 is: 3,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.40 : 5,687.57 = 2,304.44 : x
  2. Step 2: Convert to fraction form
    4,121.40/5,687.57 = 2,304.44/x
  3. Step 3: Cross multiply
    4,121.40x = 5,687.57 × 2,304.44
  4. Step 4: Simplify right side
    4,121.40x = 13,106,623.85
  5. Step 5: Solve for x
    x = 13,106,623.85/4,121.40
  6. Step 6: Final answer
    x = 3,180.14

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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.