Home / 1,635.56-2,257.11-936.94

Finding the Fourth Proportional to 1,635.56, 2,257.11 and 936.94

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Solution

The fourth proportional to 1,635.56, 2,257.11 and 936.94 is: 1,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.56 : 2,257.11 = 936.94 : x
  2. Step 2: Convert to fraction form
    1,635.56/2,257.11 = 936.94/x
  3. Step 3: Cross multiply
    1,635.56x = 2,257.11 × 936.94
  4. Step 4: Simplify right side
    1,635.56x = 2,114,776.64
  5. Step 5: Solve for x
    x = 2,114,776.64/1,635.56
  6. Step 6: Final answer
    x = 1,293.00

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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.