Home / 3,257.02-4,879.86-2,712.70

Finding the Fourth Proportional to 3,257.02, 4,879.86 and 2,712.70

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Solution

The fourth proportional to 3,257.02, 4,879.86 and 2,712.70 is: 4,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.02 : 4,879.86 = 2,712.70 : x
  2. Step 2: Convert to fraction form
    3,257.02/4,879.86 = 2,712.70/x
  3. Step 3: Cross multiply
    3,257.02x = 4,879.86 × 2,712.70
  4. Step 4: Simplify right side
    3,257.02x = 13,237,596.22
  5. Step 5: Solve for x
    x = 13,237,596.22/3,257.02
  6. Step 6: Final answer
    x = 4,064.33

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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.