Home / 3,437.24-5,163.14-2,139.62

Finding the Fourth Proportional to 3,437.24, 5,163.14 and 2,139.62

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Solution

The fourth proportional to 3,437.24, 5,163.14 and 2,139.62 is: 3,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.24 : 5,163.14 = 2,139.62 : x
  2. Step 2: Convert to fraction form
    3,437.24/5,163.14 = 2,139.62/x
  3. Step 3: Cross multiply
    3,437.24x = 5,163.14 × 2,139.62
  4. Step 4: Simplify right side
    3,437.24x = 11,047,137.14
  5. Step 5: Solve for x
    x = 11,047,137.14/3,437.24
  6. Step 6: Final answer
    x = 3,213.96

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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.