Home / 3,621.39-4,997.53-2,049.78

Finding the Fourth Proportional to 3,621.39, 4,997.53 and 2,049.78

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Solution

The fourth proportional to 3,621.39, 4,997.53 and 2,049.78 is: 2,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.39 : 4,997.53 = 2,049.78 : x
  2. Step 2: Convert to fraction form
    3,621.39/4,997.53 = 2,049.78/x
  3. Step 3: Cross multiply
    3,621.39x = 4,997.53 × 2,049.78
  4. Step 4: Simplify right side
    3,621.39x = 10,243,837.04
  5. Step 5: Solve for x
    x = 10,243,837.04/3,621.39
  6. Step 6: Final answer
    x = 2,828.70

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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.