Home / 3,621.76-4,997.56-2,049.80

Finding the Fourth Proportional to 3,621.76, 4,997.56 and 2,049.80

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Solution

The fourth proportional to 3,621.76, 4,997.56 and 2,049.80 is: 2,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.76 : 4,997.56 = 2,049.80 : x
  2. Step 2: Convert to fraction form
    3,621.76/4,997.56 = 2,049.80/x
  3. Step 3: Cross multiply
    3,621.76x = 4,997.56 × 2,049.80
  4. Step 4: Simplify right side
    3,621.76x = 10,243,998.49
  5. Step 5: Solve for x
    x = 10,243,998.49/3,621.76
  6. Step 6: Final answer
    x = 2,828.46

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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.