Home / 3,462.99-4,778.94-1,891.09

Finding the Fourth Proportional to 3,462.99, 4,778.94 and 1,891.09

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Solution

The fourth proportional to 3,462.99, 4,778.94 and 1,891.09 is: 2,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.99 : 4,778.94 = 1,891.09 : x
  2. Step 2: Convert to fraction form
    3,462.99/4,778.94 = 1,891.09/x
  3. Step 3: Cross multiply
    3,462.99x = 4,778.94 × 1,891.09
  4. Step 4: Simplify right side
    3,462.99x = 9,037,405.64
  5. Step 5: Solve for x
    x = 9,037,405.64/3,462.99
  6. Step 6: Final answer
    x = 2,609.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.