Home / 3,816.98-5,718.21-2,174.66

Finding the Fourth Proportional to 3,816.98, 5,718.21 and 2,174.66

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Solution

The fourth proportional to 3,816.98, 5,718.21 and 2,174.66 is: 3,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.98 : 5,718.21 = 2,174.66 : x
  2. Step 2: Convert to fraction form
    3,816.98/5,718.21 = 2,174.66/x
  3. Step 3: Cross multiply
    3,816.98x = 5,718.21 × 2,174.66
  4. Step 4: Simplify right side
    3,816.98x = 12,435,162.56
  5. Step 5: Solve for x
    x = 12,435,162.56/3,816.98
  6. Step 6: Final answer
    x = 3,257.85

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1.5x scale

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.