Home / 3,186.08-4,776.39-1,210.61

Finding the Fourth Proportional to 3,186.08, 4,776.39 and 1,210.61

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Solution

The fourth proportional to 3,186.08, 4,776.39 and 1,210.61 is: 1,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.08 : 4,776.39 = 1,210.61 : x
  2. Step 2: Convert to fraction form
    3,186.08/4,776.39 = 1,210.61/x
  3. Step 3: Cross multiply
    3,186.08x = 4,776.39 × 1,210.61
  4. Step 4: Simplify right side
    3,186.08x = 5,782,321.62
  5. Step 5: Solve for x
    x = 5,782,321.62/3,186.08
  6. Step 6: Final answer
    x = 1,814.87

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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.