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Finding the Fourth Proportional to 3,955.82, 5,932.71 and 1,490.58

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Solution

The fourth proportional to 3,955.82, 5,932.71 and 1,490.58 is: 2,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.82 : 5,932.71 = 1,490.58 : x
  2. Step 2: Convert to fraction form
    3,955.82/5,932.71 = 1,490.58/x
  3. Step 3: Cross multiply
    3,955.82x = 5,932.71 × 1,490.58
  4. Step 4: Simplify right side
    3,955.82x = 8,843,178.87
  5. Step 5: Solve for x
    x = 8,843,178.87/3,955.82
  6. Step 6: Final answer
    x = 2,235.49

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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.