Home / 3,927.52-5,892.06-1,330.36

Finding the Fourth Proportional to 3,927.52, 5,892.06 and 1,330.36

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Solution

The fourth proportional to 3,927.52, 5,892.06 and 1,330.36 is: 1,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.52 : 5,892.06 = 1,330.36 : x
  2. Step 2: Convert to fraction form
    3,927.52/5,892.06 = 1,330.36/x
  3. Step 3: Cross multiply
    3,927.52x = 5,892.06 × 1,330.36
  4. Step 4: Simplify right side
    3,927.52x = 7,838,560.94
  5. Step 5: Solve for x
    x = 7,838,560.94/3,927.52
  6. Step 6: Final answer
    x = 1,995.80

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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.