Home / 3,539.93-5,299.40-2,149.07

Finding the Fourth Proportional to 3,539.93, 5,299.40 and 2,149.07

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Solution

The fourth proportional to 3,539.93, 5,299.40 and 2,149.07 is: 3,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.93 : 5,299.40 = 2,149.07 : x
  2. Step 2: Convert to fraction form
    3,539.93/5,299.40 = 2,149.07/x
  3. Step 3: Cross multiply
    3,539.93x = 5,299.40 × 2,149.07
  4. Step 4: Simplify right side
    3,539.93x = 11,388,760.43
  5. Step 5: Solve for x
    x = 11,388,760.43/3,539.93
  6. Step 6: Final answer
    x = 3,217.23

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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.