Home / 3,621.88-5,428.81-2,370.97

Finding the Fourth Proportional to 3,621.88, 5,428.81 and 2,370.97

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Solution

The fourth proportional to 3,621.88, 5,428.81 and 2,370.97 is: 3,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.88 : 5,428.81 = 2,370.97 : x
  2. Step 2: Convert to fraction form
    3,621.88/5,428.81 = 2,370.97/x
  3. Step 3: Cross multiply
    3,621.88x = 5,428.81 × 2,370.97
  4. Step 4: Simplify right side
    3,621.88x = 12,871,545.65
  5. Step 5: Solve for x
    x = 12,871,545.65/3,621.88
  6. Step 6: Final answer
    x = 3,553.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.