Home / 3,621.08-4,997.02-2,379

Finding the Fourth Proportional to 3,621.08, 4,997.02 and 2,379

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Solution

The fourth proportional to 3,621.08, 4,997.02 and 2,379 is: 3,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.08 : 4,997.02 = 2,379 : x
  2. Step 2: Convert to fraction form
    3,621.08/4,997.02 = 2,379/x
  3. Step 3: Cross multiply
    3,621.08x = 4,997.02 × 2,379
  4. Step 4: Simplify right side
    3,621.08x = 11,887,910.58
  5. Step 5: Solve for x
    x = 11,887,910.58/3,621.08
  6. Step 6: Final answer
    x = 3,282.97

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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.