Home / 3,371.21-5,057.22-3,186.89

Finding the Fourth Proportional to 3,371.21, 5,057.22 and 3,186.89

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Solution

The fourth proportional to 3,371.21, 5,057.22 and 3,186.89 is: 4,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.21 : 5,057.22 = 3,186.89 : x
  2. Step 2: Convert to fraction form
    3,371.21/5,057.22 = 3,186.89/x
  3. Step 3: Cross multiply
    3,371.21x = 5,057.22 × 3,186.89
  4. Step 4: Simplify right side
    3,371.21x = 16,116,803.85
  5. Step 5: Solve for x
    x = 16,116,803.85/3,371.21
  6. Step 6: Final answer
    x = 4,780.72

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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.