Home / 3,180.90-4,393.73-2,443.93

Finding the Fourth Proportional to 3,180.90, 4,393.73 and 2,443.93

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Solution

The fourth proportional to 3,180.90, 4,393.73 and 2,443.93 is: 3,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.90 : 4,393.73 = 2,443.93 : x
  2. Step 2: Convert to fraction form
    3,180.90/4,393.73 = 2,443.93/x
  3. Step 3: Cross multiply
    3,180.90x = 4,393.73 × 2,443.93
  4. Step 4: Simplify right side
    3,180.90x = 10,737,968.56
  5. Step 5: Solve for x
    x = 10,737,968.56/3,180.90
  6. Step 6: Final answer
    x = 3,375.76

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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.