Home / 3,623.37-4,999.91-2,879.13

Finding the Fourth Proportional to 3,623.37, 4,999.91 and 2,879.13

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Solution

The fourth proportional to 3,623.37, 4,999.91 and 2,879.13 is: 3,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.37 : 4,999.91 = 2,879.13 : x
  2. Step 2: Convert to fraction form
    3,623.37/4,999.91 = 2,879.13/x
  3. Step 3: Cross multiply
    3,623.37x = 4,999.91 × 2,879.13
  4. Step 4: Simplify right side
    3,623.37x = 14,395,376.48
  5. Step 5: Solve for x
    x = 14,395,376.48/3,623.37
  6. Step 6: Final answer
    x = 3,972.92

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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.