Home / 3,621.13-4,997.18-2,049.55

Finding the Fourth Proportional to 3,621.13, 4,997.18 and 2,049.55

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Solution

The fourth proportional to 3,621.13, 4,997.18 and 2,049.55 is: 2,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.13 : 4,997.18 = 2,049.55 : x
  2. Step 2: Convert to fraction form
    3,621.13/4,997.18 = 2,049.55/x
  3. Step 3: Cross multiply
    3,621.13x = 4,997.18 × 2,049.55
  4. Step 4: Simplify right side
    3,621.13x = 10,241,970.27
  5. Step 5: Solve for x
    x = 10,241,970.27/3,621.13
  6. Step 6: Final answer
    x = 2,828.39

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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.