Home / 2,239.72-3,357.43-1,199.06

Finding the Fourth Proportional to 2,239.72, 3,357.43 and 1,199.06

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Solution

The fourth proportional to 2,239.72, 3,357.43 and 1,199.06 is: 1,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.72 : 3,357.43 = 1,199.06 : x
  2. Step 2: Convert to fraction form
    2,239.72/3,357.43 = 1,199.06/x
  3. Step 3: Cross multiply
    2,239.72x = 3,357.43 × 1,199.06
  4. Step 4: Simplify right side
    2,239.72x = 4,025,760.02
  5. Step 5: Solve for x
    x = 4,025,760.02/2,239.72
  6. Step 6: Final answer
    x = 1,797.44

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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.