Home / 3,623.80-5,000.82-2,051.90

Finding the Fourth Proportional to 3,623.80, 5,000.82 and 2,051.90

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Solution

The fourth proportional to 3,623.80, 5,000.82 and 2,051.90 is: 2,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.80 : 5,000.82 = 2,051.90 : x
  2. Step 2: Convert to fraction form
    3,623.80/5,000.82 = 2,051.90/x
  3. Step 3: Cross multiply
    3,623.80x = 5,000.82 × 2,051.90
  4. Step 4: Simplify right side
    3,623.80x = 10,261,182.56
  5. Step 5: Solve for x
    x = 10,261,182.56/3,623.80
  6. Step 6: Final answer
    x = 2,831.61

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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.