Home / 2,132.94-3,190.16-1,253.34

Finding the Fourth Proportional to 2,132.94, 3,190.16 and 1,253.34

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Solution

The fourth proportional to 2,132.94, 3,190.16 and 1,253.34 is: 1,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.94 : 3,190.16 = 1,253.34 : x
  2. Step 2: Convert to fraction form
    2,132.94/3,190.16 = 1,253.34/x
  3. Step 3: Cross multiply
    2,132.94x = 3,190.16 × 1,253.34
  4. Step 4: Simplify right side
    2,132.94x = 3,998,356.84
  5. Step 5: Solve for x
    x = 3,998,356.84/2,132.94
  6. Step 6: Final answer
    x = 1,874.58

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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.