Home / 3,238.13-4,857.19-1,289.88

Finding the Fourth Proportional to 3,238.13, 4,857.19 and 1,289.88

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Solution

The fourth proportional to 3,238.13, 4,857.19 and 1,289.88 is: 1,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.13 : 4,857.19 = 1,289.88 : x
  2. Step 2: Convert to fraction form
    3,238.13/4,857.19 = 1,289.88/x
  3. Step 3: Cross multiply
    3,238.13x = 4,857.19 × 1,289.88
  4. Step 4: Simplify right side
    3,238.13x = 6,265,192.24
  5. Step 5: Solve for x
    x = 6,265,192.24/3,238.13
  6. Step 6: Final answer
    x = 1,934.82

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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.