Home / 3,438.88-5,166.96-3,231.52

Finding the Fourth Proportional to 3,438.88, 5,166.96 and 3,231.52

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Solution

The fourth proportional to 3,438.88, 5,166.96 and 3,231.52 is: 4,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.88 : 5,166.96 = 3,231.52 : x
  2. Step 2: Convert to fraction form
    3,438.88/5,166.96 = 3,231.52/x
  3. Step 3: Cross multiply
    3,438.88x = 5,166.96 × 3,231.52
  4. Step 4: Simplify right side
    3,438.88x = 16,697,134.58
  5. Step 5: Solve for x
    x = 16,697,134.58/3,438.88
  6. Step 6: Final answer
    x = 4,855.40

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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.