Home / 3,621.45-4,997.75-2,224.65

Finding the Fourth Proportional to 3,621.45, 4,997.75 and 2,224.65

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Solution

The fourth proportional to 3,621.45, 4,997.75 and 2,224.65 is: 3,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.45 : 4,997.75 = 2,224.65 : x
  2. Step 2: Convert to fraction form
    3,621.45/4,997.75 = 2,224.65/x
  3. Step 3: Cross multiply
    3,621.45x = 4,997.75 × 2,224.65
  4. Step 4: Simplify right side
    3,621.45x = 11,118,244.54
  5. Step 5: Solve for x
    x = 11,118,244.54/3,621.45
  6. Step 6: Final answer
    x = 3,070.11

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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.