Home / 3,192.19-4,789.19-1,342.35

Finding the Fourth Proportional to 3,192.19, 4,789.19 and 1,342.35

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Solution

The fourth proportional to 3,192.19, 4,789.19 and 1,342.35 is: 2,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.19 : 4,789.19 = 1,342.35 : x
  2. Step 2: Convert to fraction form
    3,192.19/4,789.19 = 1,342.35/x
  3. Step 3: Cross multiply
    3,192.19x = 4,789.19 × 1,342.35
  4. Step 4: Simplify right side
    3,192.19x = 6,428,772.55
  5. Step 5: Solve for x
    x = 6,428,772.55/3,192.19
  6. Step 6: Final answer
    x = 2,013.91

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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.