Home / 1,236.48-1,863.30-1,225.44

Finding the Fourth Proportional to 1,236.48, 1,863.30 and 1,225.44

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Solution

The fourth proportional to 1,236.48, 1,863.30 and 1,225.44 is: 1,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.48 : 1,863.30 = 1,225.44 : x
  2. Step 2: Convert to fraction form
    1,236.48/1,863.30 = 1,225.44/x
  3. Step 3: Cross multiply
    1,236.48x = 1,863.30 × 1,225.44
  4. Step 4: Simplify right side
    1,236.48x = 2,283,362.35
  5. Step 5: Solve for x
    x = 2,283,362.35/1,236.48
  6. Step 6: Final answer
    x = 1,846.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.