Home / 1,236.88-1,853.75-1,204.58

Finding the Fourth Proportional to 1,236.88, 1,853.75 and 1,204.58

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Solution

The fourth proportional to 1,236.88, 1,853.75 and 1,204.58 is: 1,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.88 : 1,853.75 = 1,204.58 : x
  2. Step 2: Convert to fraction form
    1,236.88/1,853.75 = 1,204.58/x
  3. Step 3: Cross multiply
    1,236.88x = 1,853.75 × 1,204.58
  4. Step 4: Simplify right side
    1,236.88x = 2,232,997.82
  5. Step 5: Solve for x
    x = 2,232,997.82/1,236.88
  6. Step 6: Final answer
    x = 1,805.35

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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.