Home / 1,635.22-2,257.09-937.06

Finding the Fourth Proportional to 1,635.22, 2,257.09 and 937.06

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Solution

The fourth proportional to 1,635.22, 2,257.09 and 937.06 is: 1,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.22 : 2,257.09 = 937.06 : x
  2. Step 2: Convert to fraction form
    1,635.22/2,257.09 = 937.06/x
  3. Step 3: Cross multiply
    1,635.22x = 2,257.09 × 937.06
  4. Step 4: Simplify right side
    1,635.22x = 2,115,028.76
  5. Step 5: Solve for x
    x = 2,115,028.76/1,635.22
  6. Step 6: Final answer
    x = 1,293.42

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1.5x scale

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.