Home / 2,834.40-4,253.24-1,190.80

Finding the Fourth Proportional to 2,834.40, 4,253.24 and 1,190.80

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Solution

The fourth proportional to 2,834.40, 4,253.24 and 1,190.80 is: 1,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.40 : 4,253.24 = 1,190.80 : x
  2. Step 2: Convert to fraction form
    2,834.40/4,253.24 = 1,190.80/x
  3. Step 3: Cross multiply
    2,834.40x = 4,253.24 × 1,190.80
  4. Step 4: Simplify right side
    2,834.40x = 5,064,758.19
  5. Step 5: Solve for x
    x = 5,064,758.19/2,834.40
  6. Step 6: Final answer
    x = 1,786.89

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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.