Home / 3,834.40-5,290.24-2,262.88

Finding the Fourth Proportional to 3,834.40, 5,290.24 and 2,262.88

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Solution

The fourth proportional to 3,834.40, 5,290.24 and 2,262.88 is: 3,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.40 : 5,290.24 = 2,262.88 : x
  2. Step 2: Convert to fraction form
    3,834.40/5,290.24 = 2,262.88/x
  3. Step 3: Cross multiply
    3,834.40x = 5,290.24 × 2,262.88
  4. Step 4: Simplify right side
    3,834.40x = 11,971,178.29
  5. Step 5: Solve for x
    x = 11,971,178.29/3,834.40
  6. Step 6: Final answer
    x = 3,122.05

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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.