Home / 3,621.69-4,998.13-2,049.75

Finding the Fourth Proportional to 3,621.69, 4,998.13 and 2,049.75

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Solution

The fourth proportional to 3,621.69, 4,998.13 and 2,049.75 is: 2,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.69 : 4,998.13 = 2,049.75 : x
  2. Step 2: Convert to fraction form
    3,621.69/4,998.13 = 2,049.75/x
  3. Step 3: Cross multiply
    3,621.69x = 4,998.13 × 2,049.75
  4. Step 4: Simplify right side
    3,621.69x = 10,244,911.84
  5. Step 5: Solve for x
    x = 10,244,911.84/3,621.69
  6. Step 6: Final answer
    x = 2,828.77

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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.