Home / 1,634.74-2,255.82-926.60

Finding the Fourth Proportional to 1,634.74, 2,255.82 and 926.60

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Solution

The fourth proportional to 1,634.74, 2,255.82 and 926.60 is: 1,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.74 : 2,255.82 = 926.60 : x
  2. Step 2: Convert to fraction form
    1,634.74/2,255.82 = 926.60/x
  3. Step 3: Cross multiply
    1,634.74x = 2,255.82 × 926.60
  4. Step 4: Simplify right side
    1,634.74x = 2,090,231.53
  5. Step 5: Solve for x
    x = 2,090,231.53/1,634.74
  6. Step 6: Final answer
    x = 1,278.63

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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.