Home / 3,384.16-5,076.24-1,192.78

Finding the Fourth Proportional to 3,384.16, 5,076.24 and 1,192.78

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Solution

The fourth proportional to 3,384.16, 5,076.24 and 1,192.78 is: 1,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.16 : 5,076.24 = 1,192.78 : x
  2. Step 2: Convert to fraction form
    3,384.16/5,076.24 = 1,192.78/x
  3. Step 3: Cross multiply
    3,384.16x = 5,076.24 × 1,192.78
  4. Step 4: Simplify right side
    3,384.16x = 6,054,837.55
  5. Step 5: Solve for x
    x = 6,054,837.55/3,384.16
  6. Step 6: Final answer
    x = 1,789.17

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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.