Home / 3,621.61-4,997.68-2,049.70

Finding the Fourth Proportional to 3,621.61, 4,997.68 and 2,049.70

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Solution

The fourth proportional to 3,621.61, 4,997.68 and 2,049.70 is: 2,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.61 : 4,997.68 = 2,049.70 : x
  2. Step 2: Convert to fraction form
    3,621.61/4,997.68 = 2,049.70/x
  3. Step 3: Cross multiply
    3,621.61x = 4,997.68 × 2,049.70
  4. Step 4: Simplify right side
    3,621.61x = 10,243,734.45
  5. Step 5: Solve for x
    x = 10,243,734.45/3,621.61
  6. Step 6: Final answer
    x = 2,828.51

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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.