Home / 3,442.42-5,163.31-1,686.75

Finding the Fourth Proportional to 3,442.42, 5,163.31 and 1,686.75

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Solution

The fourth proportional to 3,442.42, 5,163.31 and 1,686.75 is: 2,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.42 : 5,163.31 = 1,686.75 : x
  2. Step 2: Convert to fraction form
    3,442.42/5,163.31 = 1,686.75/x
  3. Step 3: Cross multiply
    3,442.42x = 5,163.31 × 1,686.75
  4. Step 4: Simplify right side
    3,442.42x = 8,709,213.14
  5. Step 5: Solve for x
    x = 8,709,213.14/3,442.42
  6. Step 6: Final answer
    x = 2,529.97

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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.