Home / 3,132.14-4,318.83-2,137.95

Finding the Fourth Proportional to 3,132.14, 4,318.83 and 2,137.95

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Solution

The fourth proportional to 3,132.14, 4,318.83 and 2,137.95 is: 2,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.14 : 4,318.83 = 2,137.95 : x
  2. Step 2: Convert to fraction form
    3,132.14/4,318.83 = 2,137.95/x
  3. Step 3: Cross multiply
    3,132.14x = 4,318.83 × 2,137.95
  4. Step 4: Simplify right side
    3,132.14x = 9,233,442.60
  5. Step 5: Solve for x
    x = 9,233,442.60/3,132.14
  6. Step 6: Final answer
    x = 2,947.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.