Home / 3,208.02-4,422.76-2,879.97

Finding the Fourth Proportional to 3,208.02, 4,422.76 and 2,879.97

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Solution

The fourth proportional to 3,208.02, 4,422.76 and 2,879.97 is: 3,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.02 : 4,422.76 = 2,879.97 : x
  2. Step 2: Convert to fraction form
    3,208.02/4,422.76 = 2,879.97/x
  3. Step 3: Cross multiply
    3,208.02x = 4,422.76 × 2,879.97
  4. Step 4: Simplify right side
    3,208.02x = 12,737,416.12
  5. Step 5: Solve for x
    x = 12,737,416.12/3,208.02
  6. Step 6: Final answer
    x = 3,970.49

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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.