Home / 4,002.80-5,999.70-1,923.80

Finding the Fourth Proportional to 4,002.80, 5,999.70 and 1,923.80

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Solution

The fourth proportional to 4,002.80, 5,999.70 and 1,923.80 is: 2,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.80 : 5,999.70 = 1,923.80 : x
  2. Step 2: Convert to fraction form
    4,002.80/5,999.70 = 1,923.80/x
  3. Step 3: Cross multiply
    4,002.80x = 5,999.70 × 1,923.80
  4. Step 4: Simplify right side
    4,002.80x = 11,542,222.86
  5. Step 5: Solve for x
    x = 11,542,222.86/4,002.80
  6. Step 6: Final answer
    x = 2,883.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.