Home / 2,263.56-3,394.53-1,291.56

Finding the Fourth Proportional to 2,263.56, 3,394.53 and 1,291.56

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Solution

The fourth proportional to 2,263.56, 3,394.53 and 1,291.56 is: 1,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.56 : 3,394.53 = 1,291.56 : x
  2. Step 2: Convert to fraction form
    2,263.56/3,394.53 = 1,291.56/x
  3. Step 3: Cross multiply
    2,263.56x = 3,394.53 × 1,291.56
  4. Step 4: Simplify right side
    2,263.56x = 4,384,239.17
  5. Step 5: Solve for x
    x = 4,384,239.17/2,263.56
  6. Step 6: Final answer
    x = 1,936.88

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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.