Home / 2,266.13-3,394.56-1,338.88

Finding the Fourth Proportional to 2,266.13, 3,394.56 and 1,338.88

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Solution

The fourth proportional to 2,266.13, 3,394.56 and 1,338.88 is: 2,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.13 : 3,394.56 = 1,338.88 : x
  2. Step 2: Convert to fraction form
    2,266.13/3,394.56 = 1,338.88/x
  3. Step 3: Cross multiply
    2,266.13x = 3,394.56 × 1,338.88
  4. Step 4: Simplify right side
    2,266.13x = 4,544,901.80
  5. Step 5: Solve for x
    x = 4,544,901.80/2,266.13
  6. Step 6: Final answer
    x = 2,005.58

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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.