Home / 2,834.40-4,249.56-1,372.80

Finding the Fourth Proportional to 2,834.40, 4,249.56 and 1,372.80

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Solution

The fourth proportional to 2,834.40, 4,249.56 and 1,372.80 is: 2,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.40 : 4,249.56 = 1,372.80 : x
  2. Step 2: Convert to fraction form
    2,834.40/4,249.56 = 1,372.80/x
  3. Step 3: Cross multiply
    2,834.40x = 4,249.56 × 1,372.80
  4. Step 4: Simplify right side
    2,834.40x = 5,833,795.97
  5. Step 5: Solve for x
    x = 5,833,795.97/2,834.40
  6. Step 6: Final answer
    x = 2,058.21

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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.