Home / 3,833.12-5,289.06-2,239.88

Finding the Fourth Proportional to 3,833.12, 5,289.06 and 2,239.88

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Solution

The fourth proportional to 3,833.12, 5,289.06 and 2,239.88 is: 3,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.12 : 5,289.06 = 2,239.88 : x
  2. Step 2: Convert to fraction form
    3,833.12/5,289.06 = 2,239.88/x
  3. Step 3: Cross multiply
    3,833.12x = 5,289.06 × 2,239.88
  4. Step 4: Simplify right side
    3,833.12x = 11,846,859.71
  5. Step 5: Solve for x
    x = 11,846,859.71/3,833.12
  6. Step 6: Final answer
    x = 3,090.66

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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.