Home / 3,462.05-5,190.98-1,382.37

Finding the Fourth Proportional to 3,462.05, 5,190.98 and 1,382.37

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Solution

The fourth proportional to 3,462.05, 5,190.98 and 1,382.37 is: 2,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.05 : 5,190.98 = 1,382.37 : x
  2. Step 2: Convert to fraction form
    3,462.05/5,190.98 = 1,382.37/x
  3. Step 3: Cross multiply
    3,462.05x = 5,190.98 × 1,382.37
  4. Step 4: Simplify right side
    3,462.05x = 7,175,848.11
  5. Step 5: Solve for x
    x = 7,175,848.11/3,462.05
  6. Step 6: Final answer
    x = 2,072.72

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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.